Williamstown Weather Forecast

    • 13
    • 31

    Sunny

    • 16
    • 23

    Morning showers

    • 10
    • 22

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 9
    • 24

    Partly cloudy

    • 11
    • 25

    Cloud clearing

    • 10
    • 29

    Sunny

Today 20 Dec Adelaide

Sunny day. Slight chance of a shower at night. Winds west to southwesterly 15 to 25 km/h shifting southeasterly 15 to 20 km/h in the afternoon then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Temperature Statistics View More

December Temperature

Mount Crawford (Fire Tower) (7km)

  • Lowest 7 December, 2025

    6.2 °C

  • Average December

    18.8 °C

  • Highest 18 December, 2025

    36.9 °C

Climate (2020–Present)

Mount Crawford (Fire Tower) (7km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.1 °C
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