Coleraine Weather Forecast

    • 9
    • 20

    Cloudy

    • 8
    • 18

    Cloudy

    • 8
    • 20

    Partly cloudy

    • 8
    • 26

    Cloud clearing

    • 11
    • 33

    Sunny

    • 16
    • 34

    Partly cloudy

    • 18
    • 31

    Possible shower

Today 24 Dec South West

Cloudy. Medium chance of showers near the Otways, slight chance elsewhere. Winds westerly 20 to 30 km/h turning southwesterly 25 to 35 km/h in the middle of the day. Daytime maximum temperatures between 18 and 21.

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  • Temperature Forecast Bureau of Meteorology

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Coleraine Temperature Statistics View More

December Temperature

Casterton (31km)

  • Lowest 7 December, 2025

    3.6 °C

  • Average December

    15.7 °C

  • Highest 18 December, 2025

    37.3 °C

Climate (2020–Present)

Casterton (31km)

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  • Average Low 2020–2025

    8.4 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    19.7 °C
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