Casterton Weather Forecast

    • 9
    • 16

    Showers increasing

    • 11
    • 16

    Rain easing

    • 5
    • 16

    Partly cloudy

    • 4
    • 17

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 6
    • 18

    Partly cloudy

Today 24 Aug South West

Cloudy. High chance of showers, most likely in the evening. Winds northerly 15 to 25 km/h turning northeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures around 16.

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Casterton Temperature Statistics View More

August Temperature

Casterton (5km)

  • Lowest 1 August, 2026

    -1.3 °C

  • Average August

    10.1 °C

  • Highest 17 August, 2026

    17.7 °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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