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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for current temperature, wind and rain radar near Blacktown, NSW. This page describes typical weather patterns, longer-range outlooks and common questions about conditions in western Sydney.
What is Blacktown’s typical climate?
Blacktown sits on the Cumberland Plain and has a humid subtropical climate with warm summers and mild winters. Summer maximums average around 29°C while winter minimums drop to about 4°C. Annual rainfall is roughly 870 mm, fairly evenly spread but with a slight peak in late summer and early autumn. The area can experience severe thunderstorms and occasional heatwaves.
How reliable are multi‑day forecasts for Blacktown?
Short‑term forecasts (1–3 days) from the Bureau of Meteorology are generally reliable for temperature and rain probability. The accuracy of weather in Blacktown 10 days and weather Blacktown 14 days decreases after about day 5; beyond that look for trends rather than exact values. For weather Blacktown 30 days, use seasonal outlooks that show climate probabilities, not daily details.
What is the weather in Blacktown tomorrow?
Check the live forecast above for tomorrow’s temperature range, wind and any rain chances. The Bureau of Meteorology updates its short‑term forecast several times daily, so the information shown is the most current.
Where can I see Blacktown weather hourly?
The live forecast includes an hourly breakdown for the next 48 hours. Alternatively, the BOM website provides a detailed hourly graph for wind, temperature and rain probability for Blacktown.
Is the 14‑day forecast for Blacktown accurate?
Beyond seven days, forecast confidence drops. The 14‑day outlook gives a useful general pattern but day‑specific numbers may shift. For planning, rely on the 7‑day forecast and update nearer the time.
For wider conditions, see Australia’s weather hub or the Sydney forecast. During storms, severe weather warnings are issued for western Sydney.