Castle Hill Weather Forecast

    • 14
    • 22

    Shower or two

    • 13
    • 21

    Showers

    • 13
    • 20

    Showers

    • 12
    • 21

    Shower or two

    • 11
    • 22

    Possible shower

    • 13
    • 22

    Shower or two

    • 13
    • 22

    Showers

Today 12 May Sydney

Partly cloudy. High chance of showers. Winds southeast to southwesterly 15 to 25 km/h becoming southeasterly 20 to 30 km/h in the middle of the day then tending southerly 15 to 25 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Hill Temperature Statistics View More

May Temperature

Parramatta North (Masons Drive) (7km)

  • Lowest 8 May, 2026

    7.5 °C

  • Average May

    16.7 °C

  • Highest 3 May, 2026

    26 °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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