Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather AU›Joondalup
Forecast confidence: High · models disagree by 1°C

Joondalup weather

Loading live data…

Light drizzle,rain likely tomorrow

European, the American and the German model agree on a high near 16° in Joondalup today. Tomorrow: light drizzle, around 17°, with a 35% chance of rain.

16°9°
17°7°
19°10°
24°11°
25°13°
26°14°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±6°Tuesdaymodels agreeWednesdaysplit ±3°Thursdaysplit ±6°
EuropeanECMWF
16°
Light drizzle
Today 16°·Low 9°·Rain 96%
AmericanNOAA GFS
16°
Light drizzle
Today 16°·Low 10°·Rain 75%
GermanDWD ICON
17°
Cloudy
Today 17°·Low 9°·Rain 30%
CheckWeather.io on iPhoneFree. No ads, no account.

Joondalup weather in numbers

from 30 years of measured normals

Joondalup swings 23°C across the year, from 32°C highs in February to 9°C lows in July, and July is usually the wettest month in a year that brings about 756 mm of precipitation.

Warmest month
February
32°C average high
Coldest month
July
9°C average low
Wettest month
July
756 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
April, May, June and August
Residents
9,302
share this forecast

The weather map: all three models at once

European, American, German side by side around Joondalup and nearby towns.Live rain radar →
Loading the three model maps…

Joondalup 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

Loading the three models…

Joondalup 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
16° 9°
models agree
Tomorrow
Light drizzle
17° 7°
models agree
Mon
Heavy drizzle
19° 10°
±6°
Tue
Mostly clear
24° 11°
models agree
Wed
Clear
25° 13°
±3°
Thu
Clear
26° 14°
±6°
Fri
Mostly clear
23° 14°
±8°
Sat
Light drizzle
22° 13°
models agree
Sun
Light drizzle
20° 14°
±3°
Mon
Light drizzle
19° 14°
±3°
Tue
Partly cloudy
20° 15°
models agree
Wed
Light drizzle
20° 15°
models agree
Thu
Cloudy
20° 15°
models agree
Fri
Partly cloudy
20° 13°
models agree

Joondalup, Western Australia is at its warmest in Feb (average highs near 32°C) and coldest in Jul (lows around 9°C), with roughly 756 mm of precipitation across the year. Below, compare what European, American, German forecast for Joondalup 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.

Joondalup climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
31°
18°
Feb
32°
19°
Mar
30°
18°
Apr
25°
14°
May
22°
12°
Jun
17°
10°
Jul
17°
9°
Aug
18°
9°
Sep
19°
9°
Oct
23°
11°
Nov
26°
14°
Dec
29°
16°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Joondalup has changed since 1995

Joondalup sits in the same roughly 50 km square of NASA's reanalysis as Clarkson. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Clarkson page.

Which forecast is most accurate in Joondalup?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
75±1.4°C93±3.3 km/h9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
87±0.7°C91±4.7 km/h7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
79
/100rank #3
86±0.8°C96±2.2 km/h5877% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1558 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
Loading ratings…
AmericanNOAA GFS
Loading ratings…
GermanDWD ICON
Loading ratings…

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°16° to 17°±66%30% to 96% chance
Tomorrow±2°16° to 18°±35%0% to 35% chance
Mon±6°17° to 22°±87%5% to 92% chance
Tue±2°23° to 25°±8%0% to 8% chance
Wed±3°24° to 26°±22%6% to 28% 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 Joondalup

today, local time
Sunrise
05:27
Sunset
18:35
Daylight
13h 8m

Common questions

What's the weather in Joondalup today?
Saturday 24 October: European, the American and the German model agree on a high near 16° in Joondalup today. Tomorrow: light drizzle, around 17°, with a 35% chance of rain. The forecast on this page refreshes live.
Will it rain in Joondalup today or tomorrow?
The models split on rain in Joondalup on Sunday 25 October: European 35%, American 3%, German 0%. When they disagree like this, treat any single app's answer with caution. On Saturday 24 October the highest chance of rain from any model is 96%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Joondalup?
Over the last 30 days, the European model has been the most accurate for Joondalup (CheckWeather Score 86/100), ahead of the American 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 Joondalup?
February is typically the warmest month in Joondalup, with average highs around 32°C.
How cold does Joondalup get?
The coldest month in Joondalup is July, when overnight lows average about 9°C.
How much rain does Joondalup get?
Joondalup sees roughly 756 mm of precipitation a year, with July usually the wettest month.

Nearby

More AU weather