Australia · Multi-region weather view

Coonawarra

A narrow southern South Australian district over terra rossa soils.

Southern Ocean influence supports a cooler, longer season than regions farther north.

Climate comparisons use the 1991–2020 combined regional record · updated through Aug 20, 2026.

Current conditions

Observations through Aug 30, 2026 · 06:00 UTC

Temperature16.5°C
Dew Point11.6°C
Relative Humidity73%
24h Rainfall0.0 mmmodeled IFS total through Aug 29

Vintage explorer

Compare this vintage →

Moderately warmer and moderately drier than normal.

Mean temperature16.9°C
Temperature anomaly+0.7°Cvs 1991-2020
Growing degree days1696base 10°C
Hot days12≥ 35°C

What stood out in 2011

No single weather pattern stands out in the regional record.

Close to the usual range · Low confidence

Temperature, rainfall, heat, and frost all stayed within the site's published thresholds.

No single weather pattern stands out in the regional record.

How unusual was 2011?

The ranking compares vintages that meet the data-coverage threshold and use the same source, regional rules, and 1991-2020 baseline.

Growing-season temperature

6th warmest of 35 vintages Warmer than 29 of 34 other vintages 16.9°C

Growing-season rainfall

12th driest of 35 vintages Drier than 23 of 34 other vintages 258.2 mm

Heat accumulation

6th highest of 35 vintages Higher than 29 of 34 other vintages 1696 GDD

Hot days

16th most of 35 vintages More than 18 of 34 other vintages 12 days

2011 month by month

Compared with 1991–2020

Follow heat accumulation, rainfall, frost exposure, and the region’s growing and harvest windows in calendar order.

Frost watch Growing season Harvest window
  1. 1–30
    Frost watchGrowing season

    Heat accumulation

    2011 71 GDD
    Typical 55 GDD

    Rainfall

    2011 45.9 mm
    Typical 69.2 mm
    2011 freezing days
    0
    Typical
    0.2

    Close to the typical monthly pattern.

  2. 1–31
    Frost watchGrowing season

    Heat accumulation

    2011 131 GDD
    Typical 111 GDD

    Rainfall

    2011 31.3 mm
    Typical 44.5 mm
    2011 freezing days
    0
    Typical
    0.1

    Close to the typical monthly pattern.

  3. 1–30
    Frost watchGrowing season

    Heat accumulation

    2011 200 GDD
    Typical 172 GDD

    Rainfall

    2011 45.8 mm
    Typical 40.7 mm
    2011 freezing days
    0
    Typical
    0.0

    Close to the typical monthly pattern.

  4. 1–31
    Growing season

    Heat accumulation

    2011 261 GDD
    Typical 238 GDD

    Rainfall

    2011 41.8 mm
    Typical 37.9 mm

    Close to the typical monthly pattern.

  5. 1–31
    Growing season

    Heat accumulation

    2011 350 GDD
    Typical 300 GDD

    Rainfall

    2011 11.9 mm
    Typical 28.7 mm

    Drier than the typical month.

  6. 1–29
    Growing seasonHarvest window

    Heat accumulation

    2011 293 GDD
    Typical 277 GDD

    Rainfall

    2011 13.1 mm
    Typical 21.7 mm

    Close to the typical monthly pattern.

  7. 1–31
    Growing seasonHarvest window

    Heat accumulation

    2011 228 GDD
    Typical 234 GDD

    Rainfall

    2011 43.5 mm
    Typical 26.7 mm

    Wetter than the typical month.

  8. 1–30
    Growing seasonHarvest window

    Heat accumulation

    2011 163 GDD
    Typical 131 GDD

    Rainfall

    2011 24.9 mm
    Typical 37.0 mm

    Heat accumulation ran ahead of the typical month.

View milestone calendar data as a table
Month2011 GDDTypical GDD2011 rainfallTypical rainfall2011 freezing daysTypical freezing days
September 2011 71 GDD 55 GDD 45.9 mm 69.2 mm 00.2
October 2011 131 GDD 111 GDD 31.3 mm 44.5 mm 00.1
November 2011 200 GDD 172 GDD 45.8 mm 40.7 mm 00.0
December 2011 261 GDD 238 GDD 41.8 mm 37.9 mm Outside frost windowOutside frost window
January 2012 350 GDD 300 GDD 11.9 mm 28.7 mm Outside frost windowOutside frost window
February 2012 293 GDD 277 GDD 13.1 mm 21.7 mm Outside frost windowOutside frost window
March 2012 228 GDD 234 GDD 43.5 mm 26.7 mm Outside frost windowOutside frost window
April 2012 163 GDD 131 GDD 24.9 mm 37.0 mm Outside frost windowOutside frost window
Calendar data and method

Monthly values are weighted across every configured regional sample using stored Google ARCO ERA5 daily reanalysis. “Typical” is the mean monthly total across 30 baseline seasons. GDD is counted only inside the configured growing window; freezing days are counted only inside the frost-watch window; rainfall covers every displayed calendar day.

Selected-vintage coverage is 100%. Source rows were last retrieved Aug 20, 2026.

Replay the 2011 growing season

243 daily regional observations

Move through the season to follow temperature, rainfall, accumulated heat, and recorded weather events day by day.

Replay data and method

Daily values are weighted across every configured regional sample using stored Google ARCO ERA5 reanalysis. Coverage is 100%. Source rows were last retrieved Aug 20, 2026.

Closest weather matches

These years had the most similar growing-season and harvest weather.

  1. Closest match

    2021

    Most alike in Spring frost exposure and Growing degree days.

    Spring frost exposure
    the same: 0 days
    Growing degree days
    lower: 75 GDD

    Largest difference: Hot-day count — fewer hot days

    View 2021 →
  2. Second closest

    2012

    Most alike in Spring frost exposure and Growing degree days.

    Spring frost exposure
    the same: 0 days
    Growing degree days
    lower: 47 GDD

    Largest difference: Growing-season precipitation — less rain

    View 2012 →
  3. Third closest

    2017

    Most alike in Spring frost exposure and Growing-season precipitation.

    Spring frost exposure
    the same: 0 days
    Growing-season precipitation
    more rain: 35.2 mm

    Largest difference: Harvest precipitation — less rain

    View 2017 →
How similar years are calculated

Method analog-v1-2026-07 standardizes six weather measures across 34 complete ARCO ERA5 comparison years, then measures the distance between them. The calculation runs when the page is requested.

Measures used: Growing-season mean temperature (20%); Growing degree days (15%); Hot-day count (15%); Growing-season precipitation (20%); Harvest precipitation (20%); Spring frost exposure (10%).

Calculated distances: 2021 0.546; 2012 0.560; 2017 0.636.

Growing-season temperature anomalyCompared with 1991-2020
Temperature anomaly by vintage, 1991 to 2026 A line above zero indicates a warmer growing season than the 1991–2020 baseline. Select a point to inspect that vintage. +1.7°C −1.7°C 1991 2000 2010 2020 2026
Growing-season rainfall anomaly
Rainfall anomaly by vintage, 1991 to 2026 Bars show millimeters above or below the 1991–2020 growing-season baseline. Select a bar to inspect that vintage. +260 mm −260 mm 1991 2000 2010 2020 2026
View historical chart data as a table
YearTemperature anomalyRainfall anomalyHot days
1991-0.4°C-2 mm4
1992-0.5°C+161 mm7
1993-0.7°C-11 mm3
1994-0.6°C+1 mm13
1995-1.1°C-84 mm2
1996-0.6°C-52 mm13
1997-0.4°C+31 mm8
1998-0.1°C-46 mm13
1999+0.5°C+36 mm16
2000+0.6°C+74 mm22
2001-1.1°C-1 mm5
2002-0.1°C+57 mm10
2003-0.9°C-19 mm6
2004-0.1°C-78 mm11
2005-0.0°C+47 mm13
2006+0.8°C-90 mm12
2007+0.3°C-33 mm21
2008-0.2°C-36 mm10
2009+0.8°C+66 mm20
2010-0.5°C+252 mm4
2011+0.7°C-48 mm12
2012+0.6°C-118 mm16
2013+0.3°C+33 mm18
2014+0.1°C-76 mm10
2015+1.4°C-117 mm15
2016+0.0°C+187 mm8
2017+1.2°C-13 mm15
2018+0.2°C-93 mm17
2019-0.2°C-36 mm15
2020-0.0°C+8 mm11
2021+0.4°C-88 mm8
2022-0.4°C+173 mm10
2023+0.2°C-64 mm8
2024+1.1°C-72 mm19
2025-0.0°C+56 mm9
2026+0.0°C+0 mm0

winter

10.4°C

+0.5°C vs baseline

244 mm rain · +15 mm

spring

14.3°C

+0.8°C vs baseline

123 mm rain · -31 mm

summer

19.9°C

+0.9°C vs baseline

66 mm rain · -22 mm

harvest

17.6°C

+0.4°C vs baseline

81 mm rain · -4 mm

Weather events

Periods that crossed one of the published regional thresholds, shown in date order.

  1. Dry spell

    Duration
    16 days
    Total rain
    2.3 mm
    Daily cutoff
    1.0 mm/day
  2. Dry spell

    Duration
    19 days
    Total rain
    0.8 mm
    Daily cutoff
    1.0 mm/day
  3. Heat episode

    Peak temperature
    40.8°C
    Duration
    4 days
    Heat accumulation
    65 GDD
  4. Dry spell

    Duration
    17 days
    Total rain
    0.1 mm
    Daily cutoff
    1.0 mm/day
  5. Heat episode

    Peak temperature
    38.1°C
    Duration
    2 days
    Heat accumulation
    32 GDD
  6. Heat episode

    Peak temperature
    37.5°C
    Duration
    3 days
    Heat accumulation
    51 GDD
  7. Dry spell

    Duration
    20 days
    Total rain
    1.8 mm
    Daily cutoff
    1.0 mm/day
  8. Heat episode

    Peak temperature
    38.7°C
    Duration
    2 days
    Heat accumulation
    35 GDD
  9. Dry spell

    Duration
    14 days
    Total rain
    0.6 mm
    Daily cutoff
    1.0 mm/day
How events are detected

Weather & Vines combined regional series; method event-timeline-v2-2026-07, rules coonawarra-catalog-v2-2026-07. Source last updated Aug 1, 2026, calculated Aug 29, 2026. Each configured point must have at least 95.0% coverage.

1991–present

Climate change

Measured regional trends are shown separately from model projections. The observed record ends at the latest complete growing season shared by every published region.

Compare regions

Observed record

Historical trends, 1991–2025

Growing degree days changed +73.0 GDD per decade. The 95% interval is +34.0 to +111.9 GDD per decade, based on 35 eligible vintages.

How it is measured: Across the September 1–April 30 growing season, each day's mean temperature above 10°C adds to the total; cooler days add zero.

Growing degree days · annual change from the 1991–2020 average1991–2025

Scroll horizontally to inspect the full timeline.

View annual growing degree days data
VintageGrowing degree daysChange from 1991–2020
19911414 GDD-104 GDD
19921417 GDD-101 GDD
19931355 GDD-163 GDD
19941388 GDD-130 GDD
19951268 GDD-250 GDD
19961379 GDD-139 GDD
19971408 GDD-110 GDD
19981499 GDD-19 GDD
19991629 GDD+111 GDD
20001656 GDD+138 GDD
20011248 GDD-270 GDD
20021483 GDD-34 GDD
20031318 GDD-200 GDD
20041481 GDD-37 GDD
20051504 GDD-14 GDD
20061704 GDD+186 GDD
20071591 GDD+73 GDD
20081475 GDD-43 GDD
20091704 GDD+186 GDD
20101394 GDD-124 GDD
20111696 GDD+178 GDD
20121649 GDD+132 GDD
20131569 GDD+51 GDD
20141534 GDD+16 GDD
20151869 GDD+351 GDD
20161522 GDD+5 GDD
20171804 GDD+286 GDD
20181586 GDD+68 GDD
20191476 GDD-41 GDD
20201514 GDD-3 GDD
20211621 GDD+104 GDD
20221421 GDD-97 GDD
20231573 GDD+56 GDD
20241780 GDD+263 GDD
20251502 GDD-15 GDD
Growing-season mean temperature
+0.31 °C per decade 95% interval +0.14 to +0.47
Growing degree days
+72.96 GDD per decade 95% interval +34.03 to +111.88
Growing-season precipitation
-6.24 mm per decade 95% interval -24.85 to +12.37
Hot days
+1.37 days per decade 95% interval -0.25 to +2.99
Spring frost days
+0.04 days per decade 95% interval -0.09 to +0.18
Longest dry spell
+3.70 days per decade 95% interval -0.65 to +8.04

Last Updated August 20, 2026

Model ensemble

Projected climate through 2075

Temperature changes are relative to each model’s 1991–2020 baseline. The table combines all three pathways, weighted 70% to SSP2-4.5 and 15% each to SSP1-2.6 and SSP3-7.0.

Scroll horizontally to compare all columns.

PeriodWeighted medianWeighted central 80%Models per pathway
2021-2040+0.5°C+0.2 to +0.8°C25
2041-2060+1.0°C+0.6 to +1.3°C25
2061-2075+1.3°C+0.9 to +1.9°C25
How pathways are combined

For each period and percentile, Weather & Vines takes 70% of the SSP2-4.5 value, 15% of the SSP1-2.6 value, and 15% of the SSP3-7.0 value. Each pathway contains the same 25 models. The weights are an editorial view of the current trajectory, not scenario probabilities.

Last Updated June 29, 2025

Compare projection measures across regions

Typical year · 1991–2020

When to visit

This calendar describes typical regional weather under the selected climate baseline. It is not a forecast for a future trip, and it does not account for crowds, lodging, events, or vineyard access.

Deterministic IFS forecast

Next ten days

Detailed forecast outlook

ECMWF IFS 0.25° via Herbie · model run Aug 30, 2026 at 00:00 UTC · retrieved Aug 30, 2026 at 08:22 UTC

Scroll horizontally to see all forecast dates.

DateSunMonTueWedThuFriSatSunMonTue
High 16°C 17°C 18°C 13°C 14°C 14°C 14°C 13°C 13°C 13°C
Low 8°C 5°C 9°C 9°C 9°C 7°C 10°C 8°C 8°C 6°C
Rain 0.0 mm 0.0 mm 5.2 mm 1.4 mm 1.6 mm 4.0 mm 5.3 mm 0.4 mm 0.4 mm 0.1 mm

Across the typical year: Early February has the warmest median afternoon high (27.1°C); Early July has the coolest (13.5°C). Wet days are most frequent in Late July (52%) and least frequent in Early March (12%). Ties are resolved by calendar order.

Typical afternoon highs and overnight lowsMedians and middle 50% of daily readings

Afternoon highOvernight lowMiddle 50%

Scroll horizontally to inspect all 24 half-month periods.

Typical afternoon highs and overnight lows for Coonawarra Median daily maximum and minimum temperatures for 24 early and late-month periods under the 1991–2020 baseline. Neutral bands show the 25th to 75th percentile. 0°C10°C20°C30°C JanFebMarAprMayJunJulAugSepOctNovDec
How often a day is wetShare of days with at least 1 mm of rain

Scroll horizontally to inspect all 24 half-month periods.

Wet-day frequency through the typical year for Coonawarra The fraction of days receiving at least one millimeter of rain in each early and late-month period under the 1991–2020 baseline. 0%25%50%75%100% JanFebMarAprMayJunJulAugSepOctNovDec
View all 24 periods as a table

Scroll horizontally to view all columns.

Coonawarra typical weather by half-month, 1991–2020
PeriodAfternoon high, median (middle 50%)Overnight low, median (middle 50%)Wet-day frequencyPeriod rain, median (middle 50%)
Jan 1–1526.4°C (22.2–31.9°C)11.8°C (8.8–14.4°C)15%9.8 mm (3.6–17.6 mm)
Jan 16–3126.2°C (23.4–31.4°C)11.7°C (9.4–14.4°C)13%6.8 mm (3.4–17.6 mm)
Feb 1–1527.1°C (22.6–31.7°C)12.3°C (9.6–14.7°C)15%11.2 mm (1.8–14.2 mm)
Feb 16–2926.3°C (22.5–31.1°C)12.0°C (9.0–14.9°C)12%4.2 mm (0.8–10.9 mm)
Mar 1–1525.0°C (21.5–29.8°C)10.8°C (8.0–13.8°C)12%6.7 mm (2.5–9.0 mm)
Mar 16–3122.3°C (19.6–26.2°C)9.9°C (7.2–12.4°C)23%15.2 mm (8.7–20.3 mm)
Apr 1–1520.6°C (18.2–24.1°C)8.1°C (6.1–11.0°C)21%14.1 mm (5.5–21.2 mm)
Apr 16–3019.1°C (16.9–22.1°C)7.5°C (4.5–9.9°C)27%19.9 mm (7.0–28.9 mm)
May 1–1516.8°C (15.3–19.2°C)7.4°C (4.7–9.7°C)34%19.2 mm (8.3–35.1 mm)
May 16–3115.8°C (14.4–17.5°C)7.2°C (4.4–9.5°C)40%27.3 mm (18.5–39.2 mm)
Jun 1–1514.3°C (13.3–15.6°C)6.3°C (3.5–8.3°C)42%32.4 mm (23.1–44.1 mm)
Jun 16–3014.0°C (12.6–15.1°C)5.8°C (3.4–7.8°C)45%27.8 mm (16.6–54.0 mm)
Jul 1–1513.5°C (12.5–14.6°C)6.1°C (3.8–7.8°C)49%37.6 mm (30.0–51.6 mm)
Jul 16–3113.6°C (12.5–14.8°C)5.5°C (3.3–7.3°C)52%38.3 mm (26.2–47.9 mm)
Aug 1–1514.0°C (12.9–15.3°C)5.9°C (3.7–7.6°C)52%34.2 mm (26.4–52.8 mm)
Aug 16–3114.5°C (13.0–16.3°C)5.5°C (3.5–7.6°C)50%35.9 mm (19.4–62.4 mm)
Sep 1–1515.6°C (14.1–17.5°C)6.5°C (4.2–8.4°C)49%30.0 mm (21.8–45.7 mm)
Sep 16–3016.2°C (14.7–18.7°C)6.4°C (4.0–8.8°C)45%30.0 mm (16.7–46.2 mm)
Oct 1–1517.7°C (15.6–21.1°C)7.1°C (4.6–9.4°C)33%24.1 mm (10.3–35.1 mm)
Oct 16–3118.9°C (16.5–23.2°C)7.5°C (4.8–10.0°C)28%14.8 mm (9.8–26.9 mm)
Nov 1–1520.0°C (17.1–24.0°C)8.4°C (5.7–11.1°C)29%17.2 mm (10.9–28.8 mm)
Nov 16–3022.8°C (19.2–27.8°C)9.3°C (6.4–12.1°C)21%9.4 mm (5.3–24.3 mm)
Dec 1–1523.0°C (19.9–28.1°C)9.6°C (7.1–12.7°C)24%13.2 mm (3.8–27.1 mm)
Dec 16–3124.7°C (21.1–29.5°C)10.4°C (7.6–13.1°C)19%13.5 mm (8.7–21.2 mm)

Each year contributes to temperature or rain separately when at least 90% of that period’s days are present. A value is shown only when at least 80% of the baseline years qualify. February 29 is included in late February.

Historical climatology Last Updated August 20, 2026

Most recent season

Growing season heat and rainfall

Sep 1, 2025–Apr 30, 2026

Growing degree days1502.3base 10°C
Growing-season rainfall362.1 mmweighted regional total
Cumulative growing degree daysBase 10°C

2025 season1991–2020 average

Growing degree days accumulated during the 2025 growing season The solid line accumulates daily mean temperature above 10 degrees Celsius from the configured growing-season start. The dashed line shows the 1991–2020 daily climatological average. 1514 GDD 0 Sep ’25OctNovDecJan ’26FebMarApr
Cumulative growing-season rainfallRegional weighted mean

2025 season1991–2020 average

Rainfall accumulated during the 2025 growing season The solid line accumulates daily rainfall in millimeters from the configured growing-season start. The dashed line shows the 1991–2020 daily climatological average. 362 mm 0 Sep ’25OctNovDecJan ’26FebMarApr
View growing-season accumulation data
DateSeason GDD1991–2020 average GDDSeason rainfall1991–2020 average rainfall
2025-09-010.51.51.0 mm1.9 mm
2025-09-020.93.15.2 mm4.7 mm
2025-09-032.94.98.5 mm7.0 mm
2025-09-042.96.210.3 mm10.7 mm
2025-09-052.97.410.3 mm12.3 mm
2025-09-065.78.410.3 mm14.3 mm
2025-09-0712.910.313.0 mm17.0 mm
2025-09-0816.112.116.6 mm20.1 mm
2025-09-0916.913.816.8 mm23.2 mm
2025-09-1016.914.917.4 mm24.3 mm
2025-09-1116.917.118.1 mm26.6 mm
2025-09-1217.618.918.8 mm29.8 mm
2025-09-1318.821.018.8 mm31.6 mm
2025-09-1421.622.818.8 mm34.2 mm
2025-09-1529.624.720.2 mm36.6 mm
2025-09-1632.026.325.2 mm38.6 mm
2025-09-1732.028.027.5 mm41.4 mm
2025-09-1833.930.127.8 mm42.8 mm
2025-09-1935.932.530.9 mm45.3 mm
2025-09-2035.933.934.0 mm47.2 mm
2025-09-2138.336.135.3 mm49.3 mm
2025-09-2239.238.935.7 mm51.7 mm
2025-09-2340.741.336.1 mm53.6 mm
2025-09-2444.342.836.9 mm56.3 mm
2025-09-2547.644.337.5 mm58.2 mm
2025-09-2650.746.338.4 mm61.1 mm
2025-09-2751.948.839.1 mm62.3 mm
2025-09-2852.851.139.7 mm64.6 mm
2025-09-2955.153.249.2 mm67.6 mm
2025-09-3058.355.463.6 mm69.2 mm
2025-10-0159.658.169.0 mm71.5 mm
2025-10-0259.861.572.8 mm72.8 mm
2025-10-0363.164.573.4 mm74.4 mm
2025-10-0467.868.173.4 mm75.8 mm
2025-10-0574.971.580.4 mm76.7 mm
2025-10-0676.174.483.3 mm78.0 mm
2025-10-0777.777.083.6 mm80.4 mm
2025-10-0880.979.084.6 mm83.0 mm
2025-10-0984.281.586.5 mm85.0 mm
2025-10-1088.285.187.5 mm86.1 mm
2025-10-1191.388.288.7 mm87.3 mm
2025-10-1293.891.994.2 mm88.8 mm
2025-10-1393.894.895.7 mm90.9 mm
2025-10-1496.498.596.1 mm92.1 mm
2025-10-1598.9102.596.1 mm93.3 mm
2025-10-16106.7105.896.7 mm94.5 mm
2025-10-17110.6109.596.7 mm96.0 mm
2025-10-18114.3114.196.8 mm97.8 mm
2025-10-19121.8118.098.5 mm99.0 mm
2025-10-20125.5121.3101.2 mm99.8 mm
2025-10-21127.4124.8103.3 mm101.3 mm
2025-10-22130.0128.8109.0 mm102.6 mm
2025-10-23133.2133.5109.9 mm104.0 mm
2025-10-24135.1138.2110.4 mm104.7 mm
2025-10-25136.6142.2116.7 mm105.9 mm
2025-10-26141.5145.4126.6 mm107.1 mm
2025-10-27142.6148.5127.2 mm108.2 mm
2025-10-28143.8152.0127.2 mm109.8 mm
2025-10-29146.6156.6127.4 mm110.6 mm
2025-10-30152.2161.6127.7 mm111.9 mm
2025-10-31157.9166.1131.4 mm113.6 mm
2025-11-01163.9171.1131.8 mm117.2 mm
2025-11-02171.2176.3135.2 mm119.0 mm
2025-11-03173.0180.3143.5 mm121.4 mm
2025-11-04173.0183.6149.9 mm124.1 mm
2025-11-05175.8187.7152.1 mm126.1 mm
2025-11-06177.0192.5153.2 mm127.6 mm
2025-11-07184.3197.3157.5 mm128.7 mm
2025-11-08185.7201.7158.2 mm130.7 mm
2025-11-09186.8206.9159.0 mm131.7 mm
2025-11-10189.3212.1161.7 mm132.3 mm
2025-11-11189.7217.9165.5 mm133.3 mm
2025-11-12191.2224.0165.9 mm134.3 mm
2025-11-13192.1229.9165.9 mm135.7 mm
2025-11-14196.5235.0168.0 mm136.9 mm
2025-11-15200.6239.9168.1 mm137.7 mm
2025-11-16203.0244.6175.6 mm138.9 mm
2025-11-17205.6250.8179.9 mm139.9 mm
2025-11-18210.9257.9181.1 mm140.4 mm
2025-11-19214.7265.4181.6 mm141.2 mm
2025-11-20214.7272.9181.8 mm142.1 mm
2025-11-21215.7278.6181.8 mm143.9 mm
2025-11-22220.9284.0184.3 mm145.2 mm
2025-11-23229.3289.7184.9 mm145.8 mm
2025-11-24242.0296.6185.2 mm146.7 mm
2025-11-25249.9303.9185.7 mm148.5 mm
2025-11-26255.0311.4193.4 mm149.9 mm
2025-11-27259.2318.3194.4 mm151.2 mm
2025-11-28261.3324.6200.0 mm152.3 mm
2025-11-29264.6331.3208.4 mm153.3 mm
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Forecast outlook

ECMWF IFS 0.25° via Herbie · run Aug 30, 2026 at 00:00 UTC

10-day totals compared with the 1991–2020 combined regional record

GDD accumulation
12 GDDvs 15 GDD average
Total rainfall
18.6 mmvs 27.6 mm average

No unusually hot or wet period stands out in the short-range forecast.

Sun8/30 16°Cavg 16°C 8°Cavg 6°C +2 GDD 0.0 mm
Mon8/31 17°Cavg 16°C 5°Cavg 6°C +0 GDD 0.0 mm
Tue9/1 18°Cavg 16°C 9°Cavg 6°C +3 GDD 5.2 mm
Wed9/2 13°Cavg 16°C 9°Cavg 6°C +1 GDD 1.4 mm
Thu9/3 14°Cavg 16°C 9°Cavg 6°C +2 GDD 1.6 mm
Fri9/4 14°Cavg 16°C 7°Cavg 6°C +1 GDD 4.0 mm
Sat9/5 14°Cavg 16°C 10°Cavg 5°C +2 GDD 5.3 mm
Sun9/6 13°Cavg 16°C 8°Cavg 6°C +0 GDD 0.4 mm
Mon9/7 13°Cavg 16°C 8°Cavg 7°C +0 GDD 0.4 mm
Tue9/8 13°Cavg 16°C 6°Cavg 7°C +0 GDD 0.1 mm

Data and methods

Show data sources and model assumptions

Current model conditions and the 10-day outlook use the 00 UTC deterministic ECMWF IFS 0.25° public forecast retrieved directly with Herbie. Historical temperature and rain combine qualifying GHCN-D stations with ERA5 by geographic area; a missing station day uses the nearest ERA5 value for that station's area. Climate comparisons use 1991–2020.

Forecast comparisons use the 1991–2020 combined regional daily record. Daily high and low averages use the matching date; rainfall and GDD sum the same calendar dates as the forecast period.

This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF). Weather & Vines subsets, converts, and regionally weights the forecast fields. ECMWF data are published under CC BY 4.0. ECMWF accepts no liability for errors, omissions, availability, loss, or damage arising from their use.

Climate projections use NASA NEX-GDDP-CMIP6 v2.0, accessed August 23, 2026, with 25 models. Weather & Vines subsets and aggregates the source fields. Source files and derived projection data are under CC BY-SA 4.0; the full roster and limitations are listed in the climate atlas methods.

The Coonawarra model uses a September 1–April 30 growing season, base 10°C GDD, and an operational hot-day marker of 35°C.

The historical series uses 1 ERA5 location, 1 temperature station, and 9 rain stations. Interpretation confidence: high. Geometry confidence: reviewed-approximate. Rules: coonawarra-catalog-v2-2026-07.