Casterton Weather Forecast

    • 13
    • 24

    Shower or two

    • 9
    • 22

    Partly cloudy

    • 7
    • 25

    Partly cloudy

    • 10
    • 28

    Partly cloudy

    • 15
    • 27

    Partly cloudy

    • 15
    • 28

    Partly cloudy

    • 14
    • 24

    Shower or two

Today 26 Apr South West

Partly cloudy. Medium chance of showers in the southwest, slight chance elsewhere. Winds north to northwesterly 15 to 25 km/h shifting south to southwesterly 15 to 20 km/h in the afternoon. Daytime maximum temperatures in the low to mid 20s.

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Casterton Temperature Statistics View More

April Temperature

Casterton (5km)

  • Lowest 18 April, 2026

    1.2 °C

  • Average April

    14.4 °C

  • Highest 22 April, 2026

    28.6 °C

Climate (2021–Present)

Casterton (5km)

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  • Average Low 2021–2026

    8.4 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.8 °C
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