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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern 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 ·
Check the live forecast above before heading out – South Windsor’s inland position west of Sydney means afternoon heat can spike quickly, with a chance of a late storm when humidity builds from the Hawkesbury River.
What is the weather in South Windsor today?
The live forecast above shows conditions for South Windsor, a suburb about 50 kilometres north-west of the Sydney CBD. Being inland, it often runs a few degrees warmer than Sydney weather in the afternoon, especially under clear skies. Overnight lows can drop more sharply away from the coast, so keep a jacket handy if you’re out late.
How does South Windsor’s location affect its weather?
South Windsor sits on the south bank of the Hawkesbury River, in a valley that can trap heat during summer. The prevailing easterly sea breeze from the coast usually arrives by early afternoon, moderating the temperature – but on days when the breeze is weak, the mercury can climb into the high thirties. Winter brings crisp, frosty mornings and mostly sunny days, with rainfall more likely in autumn and spring.
Frequently asked questions about South Windsor weather
What is the postcode for South Windsor?
South Windsor’s postcode is 2756. The area falls under the Hawkesbury local government area and is part of the Sydney basin weather district used by the Bureau of Meteorology.
How does South Windsor weather compare to downtown Sydney?
South Windsor is typically 2–4 °C warmer in the afternoon than the Sydney CBD in summer, and cooler at night. The river valley can trap fog in winter, while Sydney weather near the coast stays milder due to the ocean influence.
Where can I see hourly forecasts for South Windsor?
For a detailed hour-by-hour outlook, check the live forecast above or use the south windsor weather hourly view on trusted sites like Weatherzone. The Australia weather hub also links to local radar and warnings.