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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Reef Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Blacktown is looking at a mostly sunny day with a top of 27°C, according to the live forecast above. Light north-westerly winds will shift south-easterly by the afternoon. No rain is expected, making it a good day for outdoor plans.
Will the weather change this week in Blacktown?
The stable conditions will hold into Wednesday before a cool change arrives Thursday. A weak trough should bring a few showers and a drop of 4–5°C. Friday looks partly cloudy and milder. No severe weather is expected.
What is the UV index and air quality like?
The UV index will reach 9 today, which is very high. Slip on sun protection from mid-morning. Air quality in Blacktown is rated moderate due to some particulate matter; sensitive people may want to limit prolonged outdoor exertion.
Is it a good day to wash the car in Blacktown?
Yes, with only a 5% chance of rain and sunny skies, today is fine for washing the car. Just keep in mind the UV index is high, so the soap might dry quickly.
How does today compare to the November average for Blacktown?
Today’s high of 27°C sits right on the November average maximum for Blacktown. Overnight lows around 14°C are also typical for this time of year.
Should I expect any wind this afternoon?
Winds will stay light, generally 10–20 km/h. The north-westerly morning breeze will swing to a south-easterly sea breeze by early afternoon, but nothing gusty enough to cause trouble.
For broader forecasts, check our Australia weather hub or see conditions in Sydney Weather.