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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 from Doonside today, as conditions across the western suburbs can shift quickly with the afternoon sea breeze. Nestled between the Blue Mountains foothills and the Cumberland Plain, Doonside often sees a few degrees variation from the Sydney CBD, so local data matters.
What is the weather like in Doonside today?
Doonside sits on the inland side of western Sydney, which means it generally records warmer afternoons and cooler overnight lows than coastal suburbs. The live forecast above will show you today’s maximum and minimum, but expect a classic western Sydney pattern: a clear morning, building cloud from the west during the afternoon, and a possible gusty change if a trough moves through. Humidity readings here tend to be lower than near the harbour, making the heat feel more bearable during summer spells.
How does Doonside’s location affect its forecast?
Being roughly 35 kilometres west of the coast, Doonside misses the full moderating effect of the ocean. This gives it a more continental feel — hotter in summer, colder in winter — compared to the eastern suburbs. The M7 corridor and nearby Prospect Reservoir can also create localised fog patches on calm winter mornings. For the best planning advice, keep an eye on the doonside weather radar loop in the live forecast, as afternoon storms often develop over the mountains and track east across the area.
What is the weather in Doonside tomorrow?
For doonside weather tomorrow, refer to the “Tomorrow” tab in the live forecast above. Expect a similar pattern to today, though a southerly change can drop temperatures by 5–8 °C in summer, often arriving mid-to-late afternoon.
Can I get a 10-day forecast for Doonside?
Yes, the doonside weather 10 days outlook is available in the live forecast above. Beyond day 7, confidence drops, but the 10-day trend is useful for planning weekend trips up the Great Western Highway or across to the Blue Mountains.
Is Doonside weather different to Sydney weather?
Yes. Doonside is inland, so it is often 2–4 °C warmer in the afternoon than the Sydney CBD, and cooler overnight. For a broader view, check our Sydney Weather page, but always use the local live forecast above for precise conditions.
Sources
For a broader view of conditions across the state, visit our Australia weather hub. If you are tracking a storm front or heatwave, the Severe Weather Warning page will keep you informed. For the hourly breakdown, check the doonside weather hourly tab in the live forecast, and for the week ahead, the weather doonside 7 days view is your best bet.