Castle Hill Weather Forecast

    • 19
    • 39

    Mostly sunny

    • 21
    • 27

    Partly cloudy

    • 19
    • 29

    Partly cloudy

    • 18
    • 32

    Sunny

    • 20
    • 29

    Partly cloudy

    • 20
    • 32

    Mostly sunny

    • 20
    • 33

    Mostly sunny

Today 25 Jan Sydney

Mostly sunny morning. The chance of fog in the west in the early morning. The chance of a thunderstorm in the west in the afternoon and early evening. Light winds becoming north to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Castle Hill Temperature Statistics View More

January Temperature

Parramatta North (Masons Drive) (7km)

  • Lowest 21 January, 2026

    16 °C

  • Average January

    20.8 °C

  • Highest 10 January, 2026

    42.2 °C

Climate (2021–Present)

Parramatta North (Masons Drive) (7km)

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  • Average Low 2021–2026

    13 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.5 °C
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