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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Reef Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Sydney’s weather is shaped by its coastal position. The live forecast above gives the current conditions, but expect a humid summer (December–February) with average highs around 26°C, and a mild winter (June–August) where days hover near 17°C. Rain is spread fairly evenly year-round.
What’s the weather in Sydney tomorrow?
Check the live forecast above for the most accurate outlook. Generally, Sydney’s coastal location means tomorrow’s weather can shift quickly with sea breezes. Summer afternoons often bring a chance of a thunderstorm, while winter mornings can be foggy near the harbour. For a longer view, the Sydney weather page gives a four-day breakdown.
How does Sydney’s weather change across the week?
The sydney weather 7 day forecast typically shows a pattern: stable days when a high-pressure system sits over the Tasman Sea, and cooler, showery spells when troughs move in from the west. The weather in sydney 10 days outlook often highlights this seesaw between settled and unsettled conditions, driven by the position of the ocean’s warm current. For a deeper look, see the severe weather warning updates during summer storms.
Does Sydney get extreme heat?
Yes. On occasion, north-westerly winds from the inland desert push temperatures above 40°C in summer. These events usually last only a day or two before a sea breeze or southerly change drops the mercury sharply.
Is the 14 day weather forecast sydney reliable?
No, beyond about seven days the accuracy drops. The 14 day weather forecast sydney is useful for broad trends only. For trip planning, rely on the sydney weather 7 day forecast and the live forecast above.
Why is Sydney sometimes much cooler than the suburbs?
The coastal strip and harbour create a local sea-breeze effect. In summer, this can keep the city centre 5°C cooler than western suburbs like Penrith, which sit further inland and away from the ocean’s moderating influence.