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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Watch Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Williamtown before planning your day. This coastal Hunter region location often experiences sea breezes and passing showers, so the conditions you see now may shift by afternoon.
What makes Williamtown weather distinctive?
Williamtown sits near the coast in the lower Hunter Valley, about 30 kilometres north of Newcastle. Its weather is tempered by the Tasman Sea, which moderates summer heat and keeps winter frosts rare. The local Bureau of Meteorology station at Williamtown RAAF Base provides reliable bom williamtown readings, including williamtown weather observations for temperature, humidity and wind. A north-easterly seabreeze often develops by late morning, so williamtown wind direction is worth checking before outdoor activities.
How can you use hourly and airport weather data?
For fine‑grained timing, refer to williamtown weather hourly forecasts on the Bureau’s site. The williamtown airport weather reports are especially useful for aviation and for visitors heading to the nearby RAAF base. Because the airport is exposed, wind speeds there can be a few kilometres per hour higher than in sheltered parts of the town. Combining hourly data with the live forecast above gives you the full picture.
Where is the most accurate source for Williamtown wind data?
The Bureau of Meteorology’s Williamtown RAAF station provides real‑time wind speed and direction. Combined with the live forecast above, it is the best source for planning outdoor work or flying.
Does Williamtown get foggy in winter?
Yes, early‑morning fog can form when calm, clear nights follow cooler days. It usually lifts by mid‑morning as the sea breeze strengthens. Check williamtown weather observations for visibility reports.
How reliable are the hourly forecasts for Williamtown?
Hourly forecasts become more accurate closer to the event. The Bureau’s short‑term model is generally reliable for a 6‑12 hour window, but sea‑breeze timing can shift by an hour or two.
For broader regional conditions, see our Australia weather hub, Sydney weather page, or severe weather warnings.