Sydney weather
Loading live data…Partly cloudy,rain likely tomorrow
European, the American and the German model agree on a high near 22° in Sydney today. Tomorrow looks drizzle around 22°, with a 77% chance of rain.
Latest for Sydney: European (ECMWF): 20° Mainly clear · American (NOAA GFS): 21° Clear · German (DWD ICON): 20° Partly cloudy.
The weather map: all three models at once
European, American, German side by side around Sydney and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitSydney, New South Wales. Below we compare what European, American, German forecast for Sydney right now and flag exactly where they disagree, then break down Sydney's weather month by month and which forecast model has been most accurate here.
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.
Sydney weather by month
what to expect in Sydney through the yearHere is Sydney's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Sydney by season.
What Sydney's weather is like through the year
Sydney runs from warm summers, with December highs near 27°C, to cold winters, when June lows sit around 8°C (a swing of about 19°C across the year). January is usually the wettest month, and Sydney sees roughly 973 mm of precipitation annually.
Best time to visit Sydney
The most comfortable time to visit Sydney is usually February, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest January rain is behind you.
Which forecast is most accurate in Sydney?
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 1493 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.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Sydney, scoring 94/100 on our CheckWeather Score, ahead of the American at 87. See the full AU accuracy scoreboard for exactly how every model is tested.
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.