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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.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Newcastle weather today is mild with a mix of sun and cloud. Expect a top in the low 20s Celsius. A light seabreeze will develop by midday, keeping conditions comfortable along the coast.
What is the chance of rain in Newcastle today?
The live forecast above shows a low chance of rain for most of the day. The best chance of a brief shower is during the late afternoon or early evening, as a weak trough moves across the Hunter region. Most areas will stay dry.
What is the UV index and wind like?
UV index is expected to reach moderate levels by mid-morning, so wear sunscreen if you are outside for more than 20 minutes. Winds will be light northwesterly in the morning, shifting to a cool southeasterly seabreeze from late morning, gusting to around 25 km/h.
Where can I see the Newcastle weather radar?
The Bureau of Meteorology operates a weather radar at Newcastle University. You can view the Newcastle weather radar loop on the BOM website or through the live radar feed on our Australia weather hub.
What is the outlook for the next 7 days?
For the Newcastle weather 7 day forecast, expect mostly sunny days with a slight warming trend. A southerly change is possible mid-week. For a longer view, check the Sydney Weather page, which often reflects similar patterns for the NSW coast.
Where can I find a 14 or 21 day forecast?
For a Newcastle weather 14 day forecast BOM provides a 7-day outlook. Extended outlooks like the 21 day weather forecast Newcastle NSW are available on Weatherzone and Elders Weather. These are useful for general trends but become less reliable after 10 days.