Castle Hill Weather Forecast

    • 14
    • 31

    Showers then mostly sunny

    • 15
    • 27

    Partly cloudy

    • 15
    • 35

    Showers. Possible late storm

    • 16
    • 21

    Showers

    • 13
    • 18

    Possible shower

    • 10
    • 20

    Shower or two

    • 12
    • 19

    Showers

Today 10 Oct Sydney

Partly cloudy. High chance of showers, becoming less likely this morning. The chance of a thunderstorm during the morning and afternoon. Light winds becoming northwesterly 15 to 25 km/h in the morning then tending westerly 20 to 30 km/h in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Castle Hill Temperature Statistics View More

October Temperature

Parramatta North (Masons Drive) (7 km)

  • Lowest 9 October, 2026

    9 °C

  • Average October

    18.3 °C

  • Highest 1 October, 2026

    30.5 °C

Climate (2021–2026)

Parramatta North (Masons Drive) (7 km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.7 °C
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