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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Insightly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Blacktown can expect a mostly sunny morning giving way to a partly cloudy afternoon with a slight chance of a late shower, as shown in the live forecast above. Temperatures will be typical for this time of year, with a moderate northeasterly breeze keeping conditions comfortable.
What is the weather in Blacktown today?
Today’s pattern is driven by a high-pressure system sitting off the New South Wales coast, bringing settled conditions but allowing afternoon cloud to build. The chance of a brief shower increases after 3pm, though the bulk of the day will remain dry. It’s a classic late-summer day for western Sydney – warm, a little humid, and with a light sea breeze filtering inland.
How will wind and UV affect your plans?
Winds will be light to moderate, shifting from north-easterly in the morning to easterly by the afternoon. The UV index is expected to reach high levels around midday, so sun protection is essential if you’re heading outdoors. Morning and late afternoon are the best windows for outdoor activities, as the breeze picks up slightly during the middle of the day.
Will it rain in Blacktown today?
The chance of rain is low, but a brief shower is possible later in the afternoon. The live forecast above gives the most up-to-date rain probability and timing.
What is the best time for outdoor activities?
Morning hours offer the best conditions with clear skies and lighter winds. Keep an eye on the live forecast for any afternoon changes.
How does today compare to yesterday?
Today is expected to be slightly warmer than yesterday, with similar cloud cover. The live forecast above provides exact comparisons for temperature and humidity.
For the latest conditions across the state, visit our Australia weather hub or check the Sydney Weather page for regional updates.