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CheckWeather AU›Sydney Central Business District›Weekend

Sydney Central Business District weekend weather

This weekend in Sydney Central Business District, New South Wales, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.

Weekend

The models centre on about 17° across the weekend. Agreement is low — the weekend is genuinely up in the air at this range. Rain chance reaches 57% on at least one model.

Tomorrow

2026-08-01 — every model, side by side
EuropeanECMWF
16°
Light drizzle
High 16°·Low 9°·Rain 57%
AmericanNOAA GFS
14°
Light drizzle
High 14°·Low 8°·Rain 48%
GermanDWD ICON
17°
Fog
High 17°·Low 6°·Rain 8%

The models range from 14° to 17°. Treat the middle of that range as the likely outcome and keep a backup plan.

Sun

2026-08-02 — every model, side by side
EuropeanECMWF
17°
Cloudy
High 17°·Low 7°·Rain 4%
AmericanNOAA GFS
19°
Clear
High 19°·Low 7°·Rain 0%
GermanDWD ICON
20°
Fog
High 20°·Low 5°·Rain 0%

The models range from 17° to 20°. Treat the middle of that range as the likely outcome and keep a backup plan.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°15° to 17°±3%0% to 3% chance
Tomorrow±3°14° to 17°±49%8% to 57% chance
Sun±3°17° to 20°±4%0% to 4% chance
Mon±2°20° to 22°±12%0% to 12% chance
Tue±2°17° to 19°±5%0% to 5% 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.

Common questions

Will it rain this weekend?
At least one model puts the weekend rain chance as high as 57%. Weekend forecasts sit far enough ahead that models frequently disagree on showers — when they do, no single app can honestly tell you it will or will not rain.
How reliable is a weekend forecast?
It depends how far away the weekend is. Forecast error grows steadily with lead time, so a Saturday forecast made on Friday is far stronger than one made the previous Monday. The honest signal is model agreement: when they converge the forecast is solid, and when they spread the weekend is genuinely uncertain.

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