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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australian Insight Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the Bureau of Meteorology before heading out, as Sydney weather warnings are issued for thunderstorms, damaging winds, heavy rain, and coastal hazards that can disrupt travel plans or outdoor activities.
What types of weather warnings affect Sydney?
Severe weather warnings cover east coast lows, flash flooding, and damaging surf along the coast. Fire weather warnings are issued during hot, dry, windy conditions, especially in the Hawkesbury and Blue Mountains surrounds. For current conditions, check weather warnings or the severe weather warning page before driving or planning a day out.
When should travellers pay extra attention?
Summer (December–February) brings thunderstorms and heatwaves; autumn and winter see east coast lows and hazardous surf. If you’re visiting during school holidays or planning a winter escape, watch for sydney weather warnings today and sydney weather warnings tomorrow so you can adjust itineraries for coastal walks, harbour cruises or outdoor dining. Weather warnings NSW today often affect flights and road conditions, so allow extra time.
What is a severe weather warning for Sydney?
A formal alert from BoM for hazards such as destructive winds, heavy rain leading to flash flooding, abnormally high tides, or large surf that may threaten life or property.
How long do Sydney weather warnings usually last?
Most warnings cover a few hours to 24 hours; east coast low warnings may extend up to 48 hours. Check BoM updates every few hours or use the Australia weather hub for fresh information.
Where can I find Sydney weather warnings today?
Visit BoM’s website, the Weatherzone app, or the Australian Insight warnings page. Local ABC radio also broadcasts urgent warnings for travellers on the road.