Williamstown Weather Forecast

    • 15
    • 25

    Mostly sunny

    • 10
    • 26

    Sunny

    • 14
    • 34

    Sunny

    • 23
    • 42

    Mostly sunny

    • 20
    • 37

    Sunny

    • 20
    • 42

    Sunny

    • 26
    • 38

    Sunny

Today 21 Jan Adelaide

Partly cloudy. Winds southerly 25 to 40 km/h increasing to 30 to 45 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Temperature Statistics View More

January Temperature

Mount Crawford (Fire Tower) (7km)

  • Lowest 1 January, 2026

    6.4 °C
  • Average January

    20.1 °C
  • Highest 8 January, 2026

    40.9 °C

Climate (2021–Present)

Mount Crawford (Fire Tower) (7km)

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  • Average Low 2021–2026

    9.7 °C
  • Average 2021–2026

    13.6 °C
  • Average High 2021–2026

    19.1 °C
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