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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Current Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
A weather forecast is a scientific estimate of future atmospheric conditions for a specific location and time. For Australia, the Bureau of Meteorology issues short-term forecasts with high accuracy up to 7 days, while 14-day outlooks help with broader planning for travel, events and outdoor activities.
How reliable are weather forecasts for Australian cities?
Three-day forecasts from the Bureau of Meteorology are accurate around 85–90% of the time for temperature and general conditions. For cities such as Melbourne, Sydney and Brisbane — as reflected in the live conditions above — the reliability remains strong through day seven, particularly for temperature trends and broad rainfall patterns. The Australia weather hub tracks these forecasts daily, with updates at least every six hours.
What can a 14-day forecast tell you?
A weather forecast extending to 14 days gives a useful indication of synoptic trends — whether a hot spell is likely, when a trough may bring rain, or if a cool change is on the way. Day-to-day accuracy does drop after day 10. For cities like Adelaide, the Sunshine Coast, the Gold Coast and across WA, these long-range outlooks are best treated as a planning guide. The sydney weather forecast 14 days page, along with similar outlooks for Melbourne, Brisbane and other capitals, offers a practical tool when paired with short-term updates from BOM weather Australia.
How far ahead can you trust a weather forecast?
For capital cities, day-to-day forecasts are reliable to about day 7. Beyond that, the weather forecast shifts toward broad patterns rather than precise conditions. Always check the weather tomorrow page for the most current short-term view.
What is the difference between a forecast and a severe weather warning?
A weather forecast describes expected general conditions. A severe weather warning is issued when hazardous weather — such as damaging winds, heavy rain or heatwave conditions — is likely or occurring. See the severe weather warning page for active alerts.
Why do forecasts sometimes change during the day?
Atmospheric models run multiple times daily, and new data from satellites, weather stations and radar feeds into each run. As conditions evolve, the weather forecast is refined to reflect the latest observations. The weather radar page shows what is happening in real time.