Chester Hill weather
Loading live data…Light drizzle,rain likely tomorrow
European, the American and the German model agree on a high near 30° in Chester Hill today. Tomorrow: heavy drizzle, around 34°, with a 94% chance of rain.
Latest for Chester Hill: European (ECMWF): 19° Clear · American (NOAA GFS): 22° Mainly clear · German (DWD ICON): 21° Mainly clear.
CheckWeather.io on iPhoneFree. No ads, no account.Chester Hill weather in numbers
from 30 years of measured normalsChester Hill swings 22°C across the year, from 28°C highs in December to 6°C lows in July, and February is usually the wettest month in a year that brings about 883 mm of precipitation.
The weather map: all three models at once
European, American, German side by side around Chester Hill and nearby towns.Live rain radar →Chester Hill hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
Chester Hill 10-day forecast, out to 14 days
where the models agree, and where they splitChester Hill, New South Wales is at its warmest in Dec (average highs near 28°C) and coldest in Jul (lows around 6°C), with roughly 883 mm of precipitation across the year. Below, compare what European, American, German forecast for Chester Hill 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.
Chester Hill climate by month
average daytime high and overnight low across a typical year (1991-2020)Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.
How the weather around Chester Hill has changed since 1995
Chester Hill 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 Chester Hill?
CheckWeather Score, graded against the weather that actually happened
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 countsThe 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.
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 separatelyThe 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.