Casterton Weather Forecast

    • 16
    • 31

    Shower or two. Storm

    • 19
    • 25

    Showers. Storm clearing

    • 19
    • 26

    Rain

    • 18
    • 22

    Showers

    • 14
    • 23

    Cloudy

    • 12
    • 25

    Cloudy

    • 9
    • 26

    Mostly sunny

Today 27 Feb South West

Partly cloudy. Medium chance of showers, most likely in the afternoon and early evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds northeasterly 15 to 20 km/h turning easterly in the late afternoon. Daytime maximum temperatures around 30.

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Casterton Temperature Statistics View More

February Temperature

Casterton (5km)

  • Lowest 2 February, 2026

    3.7 °C

  • Average February

    18 °C

  • Highest 16 February, 2026

    36.7 °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

    19.7 °C
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