Castle Hill Weather Forecast

    • 13
    • 29

    Hazy. Late shower or two

    • 11
    • 21

    Sunny

    • 10
    • 22

    Sunny

    • 11
    • 22

    Partly cloudy

    • 13
    • 21

    Shower or two

    • 12
    • 22

    Partly cloudy

    • 12
    • 23

    Mostly sunny

Today 17 Apr Sydney

Mostly sunny. Patchy smoke haze. Medium chance of showers late this afternoon and evening. The chance of a thunderstorm late this afternoon and evening, possibly severe with damaging winds and large hail. Winds west to northwesterly 15 to 20 km/h shifting southerly 20 to 30 km/h in the late afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Castle Hill Temperature Statistics View More

April Temperature

Parramatta North (Masons Drive) (7km)

  • Lowest 13 April, 2026

    9.8 °C

  • Average April

    18.6 °C

  • Highest 9 April, 2026

    31.5 °C

Climate (2021–Present)

Parramatta North (Masons Drive) (7km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    23.6 °C
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