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CheckWeather AUKwinana
Forecast confidence: High · models disagree by 1°C

Kwinana weather

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Light drizzle,rain likely tomorrow

European, the American and the German model agree on a high near 18° in Kwinana today. Tomorrow looks light drizzle around 19°, with a 68% chance of rain.

18°15°
19°14°
20°13°
19°12°
19°13°
19°11°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±4°Tuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±4°
EuropeanECMWF
18°
Light drizzle
Today 18°·Low 14°·Rain 100%
AmericanNOAA GFS
17°
Drizzle
Today 17°·Low 16°·Rain 90%
GermanDWD ICON
19°
Light rain
Today 19°·Low 16°·Rain 38%
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Kwinana weather in numbers

from 30 years of measured normals

Kwinana swings 23°C across the year, from 33°C highs in February to 10°C lows in June, and July is usually the wettest month in a year that brings about 634 mm of precipitation.

Warmest month
February
33°C average high
Coldest month
June
10°C average low
Wettest month
July
634 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
April, May, June and August
Residents
30,000
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The weather map: all three models at once

European, American, German side by side around Kwinana and nearby towns.Live rain radar →
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Kwinana hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Kwinana 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
18° 15°
models agree
Tomorrow
Light drizzle
19° 14°
models agree
Mon
Cloudy
20° 13°
±4°
Tue
Mostly clear
19° 12°
models agree
Wed
Mostly clear
19° 13°
models agree
Thu
Cloudy
19° 11°
±4°
Fri
Light drizzle
16° 11°
models agree
Sat
Light drizzle
16°
models agree
Sun
Cloudy
16°
±3°
Mon
Clear
18°
models agree
Tue
Light drizzle
19°
±5°
Wed
Light drizzle
19°
models agree
Thu
Mostly clear
19° 10°
models agree
Fri
Light drizzle
21° 10°
±8°

Kwinana, Western Australia is at its warmest in Feb (average highs near 33°C) and coldest in Jun (lows around 10°C), with roughly 634 mm of precipitation across the year. Below, compare what European, American, German forecast for Kwinana right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in Australia before you trust any single number.

Kwinana climate by month

average daytime high and overnight low across a typical year
Jan
32°
19°
Feb
33°
20°
Mar
29°
17°
Apr
25°
15°
May
22°
13°
Jun
17°
10°
Jul
17°
10°
Aug
18°
10°
Sep
21°
11°
Oct
24°
13°
Nov
28°
16°
Dec
31°
18°

Which forecast is most accurate in Kwinana?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
87
/100rank #1
92±0.5°C96±2.2 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
G
German
84
/100rank #2
90±0.6°C94±2.8 km/t7184% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany
American logo
American
80
/100rank #3
77±1.3°C80±10.0 km/t8290% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1495 cities. Lower error means a higher score. See which forecast model is most accurate in Australia, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in Australia? Give each 1 to 5 stars.

EuropeanECMWF
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AmericanNOAA GFS
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GermanDWD ICON
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°17° to 19°±62%38% to 100% chance
Tomorrow±1°19° to 20°±53%15% to 68% chance
Mon±4°18° to 22°±3%0% to 3% chance
Tue±2°18° to 20°±19%2% to 21% chance
Wed±2°19° to 20°±33%6% to 39% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Kwinana

today, local time
Sunrise
06:10
Sunset
18:10
Daylight
12h 0m

Common questions

What's the weather in Kwinana today?
On this page we show what European, American, German each forecast for Kwinana today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Kwinana today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Kwinana and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Kwinana?
Over the last 30 days, the European model has been the most accurate for Kwinana (CheckWeather Score 87/100), ahead of the German at 84. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Kwinana?
February is typically the warmest month in Kwinana, with average highs around 33°C.
How cold does Kwinana get?
The coldest month in Kwinana is June, when overnight lows average about 10°C.
How much rain does Kwinana get?
Kwinana sees roughly 634 mm of precipitation a year, with July usually the wettest month.

Nearby

More AU weather