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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Focus Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Newcastle’s coastal location means its weather is strongly moderated by the Tasman Sea, producing mild winters and warm, humid summers with frequent sea breezes. The live forecast above gives today’s conditions; for planning ahead, the newcastle weather 14 day forecast and newcastle weather 7 day forecast are reliable guides.
What’s the typical pattern for Newcastle?
Newcastle experiences a humid subtropical climate (Cfa under Köppen classification) with no distinct dry season. Rain falls year-round, peaking in autumn and early winter. Summer highs average 26–28°C, winter highs 16–18°C. The newcastle weather nsw radar is the best tool to track approaching showers or coastal troughs.
- Summer (Dec–Feb): Humid, occasional thunderstorms, sea breeze moderates afternoon heat.
- Autumn (Mar–May): Stable, warm days, cooling nights; heaviest rainfall often occurs in March–April.
- Winter (Jun–Aug): Cool, cloudy periods with light rain; frost is rare due to coastal influence.
- Spring (Sep–Nov): Increasing warmth, variable winds, low risk of severe storms.
How far ahead can you reliably plan?
Bureau of Meteorology forecasts for Newcastle extend to seven days with good accuracy. For longer-range outlooks, the 21 day weather forecast newcastle nsw from models like ECMWF and GFS gives broad trends but should be treated as guidance. The newcastle weather 14 day forecast bom is the most authoritative extended view.
Frequently asked questions about Newcastle weather
What’s the weather in Newcastle New South Wales tomorrow?
Use the live forecast above for the most precise outlook. For a quick check, the weather in newcastle new south wales tomorrow is also covered by Bureau of Meteorology’s 7-day page and local radar loops.
Does Newcastle get strong winds or storms?
Yes – summer thunderstorms can bring heavy rain and gusty outflows. East coast lows in autumn–winter occasionally produce damaging winds and large surf. Check severe weather warnings for alerts.
Is sea fog common in Newcastle?
Mainly in winter months when warm air moves over cooler coastal waters. Fog usually clears by mid-morning. It rarely affects airport operations but can reduce visibility along the harbour.
For broader coverage, see our Australia weather hub or compare conditions with Sydney Weather and Brisbane Weather. The newcastle weather nsw radar remains the most immediate way to track what’s happening overhead.