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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Windsor’s weather today, as shown in the live forecast above, is typical for the Hawkesbury region — warm to hot summers with occasional thunderstorms, and cool, damp winters. The Bureau of Meteorology provides the most reliable real-time readings for the area.
What is the typical summer weather in Windsor?
Summer days in Windsor often reach the low 30s Celsius, with humidity building from the east. Thunderstorms can develop quickly, particularly in the afternoons, and may bring heavy rain or hail. The nearby Blue Mountains influence local wind patterns, cooling things down overnight.
How does Windsor compare with Penrith and Sydney?
Penrith, less than 20 kilometres west, tends to be a few degrees hotter than Windsor in summer. Sydney’s coastal suburbs, by contrast, stay slightly cooler due to sea breezes. For broader conditions across the state, check the Sydney weather and Australia weather hub pages.
Does Windsor have a higher flood risk than other NSW towns?
Yes, because Windsor sits on the floodplain of the Hawkesbury River. Heavy rain upstream can cause the river to rise quickly. Check the Severe Weather Warning page during storms.
Where can I get hourly updates for Windsor?
The Bureau of Meteorology and weather services such as AccuWeather Windsor NSW provide live data. For localised wind and rainfall, use the BOM’s observations for Richmond RAAF base, about 10 km west.
How does Windsor weather compare to Penrith weather NSW?
Penrith is slightly hotter on summer afternoons due to its inland location. Windsor has more cloud and a chance of showers from coastal moisture. For a broader look, see Penrith weather NSW (internal link not in list, but we can use /weather/ – better to link to /weather/). Actually, use Australia weather hub for regional comparisons.