Blacktown Weather Forecast

    • 17
    • 21

    Showers. Possible late storm

    • 17
    • 22

    Rain

    • 17
    • 24

    Showers

    • 17
    • 25

    Shower or two

    • 16
    • 25

    Shower or two

    • 16
    • 29

    Possible shower

Today 17 Jan Sydney

Cloudy. Very high chance of rain. The chance of a thunderstorm, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the afternoon and evening. Winds southwesterly 15 to 25 km/h turning southerly 25 to 40 km/h early in the morning.

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Blacktown Temperature Statistics View More

January Temperature

Horsley Park (10km)

  • Lowest 1 January, 2026

    15.4 °C

  • Average January

    23 °C

  • Highest 10 January, 2026

    41.5 °C

Climate (2021–Present)

Horsley Park (10km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    17.3 °C

  • Average High 2021–2026

    23.7 °C
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