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Forecast confidence: High · models disagree by 2°C

Parramatta weather

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Light drizzle,rain likely tomorrow

European, the American and the German model agree on a high near 30° in Parramatta today. Tomorrow: drizzle, around 33°, with a 84% chance of rain.

30°16°
33°19°
22°15°
24°13°
25°12°
25°12°
Todaymodels agreeTomorrowsplit ±3°Mondaysplit ±3°Tuesdaymodels agreeWednesdaysplit ±3°Thursdaymodels agree
EuropeanECMWF
20°
Clear
Feels 21° · Wind 10 km/h · Humidity 88%
AmericanNOAA GFS
21°
Clear
Feels 22° · Wind 5 km/h · Humidity 74%
GermanDWD ICON
21°
Mainly clear
Feels 22° · Wind 1 km/h · Humidity 67%

Latest for Parramatta: European (ECMWF): 20° Clear · American (NOAA GFS): 21° Clear · German (DWD ICON): 21° Mainly clear.

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Parramatta weather in numbers

from 30 years of measured normals

Parramatta swings 21°C across the year, from 28°C highs in December to 7°C lows in July, and February is usually the wettest month in a year that brings about 877 mm of precipitation.

Warmest month
December
28°C average high
Coldest month
July
7°C average low
Wettest month
February
877 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
March, April, May and June
Residents
30,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Light drizzle
30° 16°
models agree
Tomorrow
Drizzle
33° 19°
±3°
Mon
Light drizzle
22° 15°
±3°
Tue
Light drizzle
24° 13°
models agree
Wed
Light drizzle
25° 12°
±3°
Thu
Cloudy
25° 12°
models agree
Fri
Cloudy
25° 15°
±9°
Sat
Heavy drizzle
28° 17°
models agree
Sun
Light drizzle
21° 15°
models agree
Mon
Light drizzle
20° 13°
models agree
Tue
Cloudy
23° 13°
±3°
Wed
Light drizzle
28° 15°
models agree
Thu
Light drizzle
22° 15°
±5°
Fri
Cloudy
25° 14°
±6°

Parramatta, New South Wales is at its warmest in Dec (average highs near 28°C) and coldest in Jul (lows around 7°C), with roughly 877 mm of precipitation across the year. Below, compare what European, American, German forecast for Parramatta 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.

Parramatta climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
27°
18°
Feb
27°
17°
Mar
26°
16°
Apr
22°
13°
May
19°
9°
Jun
17°
8°
Jul
16°
7°
Aug
18°
7°
Sep
21°
8°
Oct
23°
11°
Nov
25°
15°
Dec
28°
17°

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

How the weather around Parramatta has changed since 1995

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

Which forecast is most accurate in Parramatta?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
92±0.4°C97±1.7 km/h7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
G
German
75
/100rank #2
86±0.8°C97±1.7 km/h4771% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany
American logo
American
74
/100rank #3
79±1.2°C89±5.6 km/h5877% 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 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°29° to 31°±89%3% to 92% chance
Tomorrow±3°32° to 35°±41%43% to 84% chance
Mon±3°20° to 24°±15%69% to 84% chance
Tue±2°23° to 25°±54%11% to 65% chance
Wed±3°24° to 27°±48%9% to 57% 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 Parramatta

today, local time
Sunrise
06:04
Sunset
19:16
Daylight
13h 12m

Common questions

What's the weather in Parramatta today?
Saturday 24 October: European, the American and the German model agree on a high near 30° in Parramatta today. Tomorrow: drizzle, around 33°, with a 84% chance of rain. The forecast on this page refreshes live.
Will it rain in Parramatta today or tomorrow?
The models split on rain in Parramatta on Sunday 25 October: European 67%, American 84%, German 43%. 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 92%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Parramatta?
Over the last 30 days, the European model has been the most accurate for Parramatta (CheckWeather Score 86/100), ahead of the German at 75. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Parramatta?
December is typically the warmest month in Parramatta, with average highs around 28°C.
How cold does Parramatta get?
The coldest month in Parramatta is July, when overnight lows average about 7°C.
How much rain does Parramatta get?
Parramatta sees roughly 877 mm of precipitation a year, with February usually the wettest month.

Nearby

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