Blacktown Weather Forecast
- 12
- 19
Cloudy
- 13
- 19
Cloudy
- 7
- 21
Mostly sunny
- 9
- 20
Partly cloudy
- 9
- 21
Partly cloudy
- 8
- 22
Partly cloudy
- 8
- 26
Sunny
Today 26 Aug Sydney
Cloudy. Medium chance of showers, most likely later tonight. Winds southerly 20 to 30 km/h becoming light in the late evening.
Blacktown Temperature Statistics View More
August Temperature
Horsley Park (10km)
Lowest 5 August, 2026
1.5 °CAverage August
12.5 °CHighest 24 August, 2026
24.5 °C
Climate (2021–2026)
Horsley Park (10km)
Average Low 2021–2026
12.4 °CAverage 2021–2026
17.4 °CAverage High 2021–2026
23.8 °C