Casterton Weather Forecast

    • 5
    • 13

    Shower or two

    • 5
    • 13

    Shower or two

    • 3
    • 13

    Cloudy

    • 3
    • 15

    Partly cloudy

    • 4
    • 17

    Mostly sunny

    • 7
    • 13

    Showers

    • 5
    • 13

    Showers

Today 3 Aug South West

Cloudy. High chance of showers, with possible small hail in the south. Snow falling above 1100 metres. Winds northwesterly 15 to 25 km/h turning westerly 20 to 30 km/h in the morning. Daytime maximum temperatures around 12.

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Casterton Temperature Statistics View More

August Temperature

Casterton (5km)

  • Lowest 1 August, 2026

    -1.3 °C

  • Average August

    6.9 °C

  • Highest 1 August, 2026

    13.3 °C

Climate (2021–2026)

Casterton (5km)

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  • Average Low 2021–2026

    8.5 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.8 °C
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