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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Jamisontown’s weather right now, shown in the live forecast above, is typical of its inland western Sydney location – slightly warmer than the coast and often a few degrees cooler than Penrith. Expect a mix of clear summer days and cool, foggy winter mornings.
What makes Jamisontown’s weather different from central Sydney?
Because Jamisontown sits about 55 kilometres west of the Sydney CBD and away from the ocean’s moderating influence, summer afternoons can climb well above the city average. The area also misses the direct cooling effect of sea breezes, so overnight lows in winter can drop noticeably lower. The live forecast above will show you today’s actual range.
How can you check the weather for the broader region?
For a wider view, the weather sydney page gives city-wide conditions, while the Australia weather hub links to state forecasts. If you’re watching for storms, the Severe Weather Warning page is your guide for alerts across the Hawkesbury–Nepean catchment.
Does Jamisontown get many thunderstorms?
Yes. Being inland and close to the Blue Mountains, Jamisontown sees frequent summer afternoon storms, especially when a trough moves across. The sydney weather radar on sites like Weatherzone is useful for tracking these.
Is flooding a risk for Jamisontown?
Flood risk is generally low within built-up areas, but the Nepean River (east of the suburb) can rise after heavy rain. Check a weather map or the BOM’s flood warnings if a major rain event is forecast.
Where can I see live radar for this area?
The radar weather loop for Sydney (Terrey Hills and Wollongong) covers the Jamisontown region. Weatherzone weather radar and the BOM’s site both offer free, up-to-date imagery.