Blacktown Weather Forecast

    • 19
    • 28

    Shower or two

    • 19
    • 24

    Showers. Possible storm

    • 18
    • 21

    Rain

    • 17
    • 25

    Shower or two

    • 18
    • 25

    Shower or two

    • 17
    • 26

    Shower or two

    • 17
    • 27

    Partly cloudy

Today 16 Jan Sydney

Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds east to northeasterly 15 to 20 km/h becoming light before dawn then becoming south to southwesterly 25 to 35 km/h in the early morning.

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Blacktown Temperature Statistics View More

January Temperature

Horsley Park (10km)

  • Lowest 1 January, 2026

    15.4 °C

  • Average January

    23.1 °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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