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CheckWeather AU›Port Melbourne
Forecast confidence: High · models disagree by 2°C

Port Melbourne weather

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Drizzle,rain likely tomorrow

European, the American and the German model agree on a high near 22° in Port Melbourne today. Tomorrow: heavy drizzle, around 18°, with a 100% chance of rain.

22°16°
18°10°
16°7°
16°8°
18°8°
20°11°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±3°Thursdaysplit ±3°
EuropeanECMWF
23°
Drizzle
Today 23°·Low 16°·Rain 91%
AmericanNOAA GFS
21°
Heavy drizzle
Today 21°·Low 16°·Rain 87%
GermanDWD ICON
21°
Thunderstorm
Today 21°·Low 17°·Rain 75%
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Port Melbourne weather in numbers

from 30 years of measured normals

Port Melbourne swings 17°C across the year, from 24°C highs in January to 7°C lows in August, and November is usually the wettest month in a year that brings about 616 mm of precipitation.

Warmest month
January
24°C average high
Coldest month
August
7°C average low
Wettest month
November
616 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
January, February, March and April
Residents
18,000
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The weather map: all three models at once

European, American, German side by side around Port Melbourne and nearby towns.Live rain radar →
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Port Melbourne 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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Port Melbourne 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Drizzle
22° 16°
models agree
Tomorrow
Heavy drizzle
18° 10°
models agree
Mon
Light drizzle
16° 7°
models agree
Tue
Light drizzle
16° 8°
models agree
Wed
Cloudy
18° 8°
±3°
Thu
Cloudy
20° 11°
±3°
Fri
Light rain
18° 13°
±9°
Sat
Rain
19° 13°
±3°
Sun
Light drizzle
15° 11°
models agree
Mon
Cloudy
19° 8°
±5°
Tue
Light rain
23° 11°
±4°
Wed
Drizzle
18° 12°
models agree
Thu
Partly cloudy
20° 11°
±11°
Fri
Partly cloudy
25° 11°
±7°

Port Melbourne, Victoria is at its warmest in Jan (average highs near 24°C) and coldest in Aug (lows around 7°C), with roughly 616 mm of precipitation across the year. Below, compare what European, American, German forecast for Port Melbourne 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.

Port Melbourne climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
24°
16°
Feb
24°
16°
Mar
22°
15°
Apr
18°
12°
May
15°
9°
Jun
14°
8°
Jul
13°
8°
Aug
13°
7°
Sep
15°
9°
Oct
16°
10°
Nov
19°
13°
Dec
21°
14°

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

How the weather around Port Melbourne has changed since 1995

Port Melbourne sits in the same roughly 50 km square of NASA's reanalysis as Melbourne. That square ran 0.5°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Melbourne page.

Which forecast is most accurate in Port Melbourne?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
75
/100rank #1
54±2.5°C89±5.4 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
74
/100rank #2
49±2.8°C94±2.9 km/h8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
70
/100rank #3
52±2.7°C90±4.8 km/h7687% 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
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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±2°21° to 23°±16%75% to 91% chance
Tomorrow±2°17° to 19°models agree100% to 100% chance
Mon±2°15° to 17°±31%18% to 49% chance
Tue±1°15° to 17°±32%15% to 47% chance
Wed±3°17° to 20°±23%0% to 23% 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 Port Melbourne

today, local time
Sunrise
06:23
Sunset
19:45
Daylight
13h 22m

Common questions

What's the weather in Port Melbourne today?
Saturday 24 October: European, the American and the German model agree on a high near 22° in Port Melbourne today. Tomorrow: heavy drizzle, around 18°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Port Melbourne today or tomorrow?
Rain is likely in Port Melbourne on Sunday 25 October: every model gives at least 100% (European 100%, American 100%, German 100%). On Saturday 24 October the highest chance of rain from any model is 91%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Port Melbourne?
Over the last 30 days, the European model has been the most accurate for Port Melbourne (CheckWeather Score 75/100), ahead of the American at 74. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Port Melbourne?
January is typically the warmest month in Port Melbourne, with average highs around 24°C.
How cold does Port Melbourne get?
The coldest month in Port Melbourne is August, when overnight lows average about 7°C.
How much rain does Port Melbourne get?
Port Melbourne sees roughly 616 mm of precipitation a year, with November usually the wettest month.

Nearby

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