Casterton Weather Forecast

    • 7
    • 14

    Showers

    • 5
    • 13

    Showers easing

    • 1
    • 14

    Partly cloudy

    • 5
    • 19

    Partly cloudy

    • 15
    • 21

    Showers. Wind easing

    • 9
    • 16

    Showers

    • 6
    • 12

    Showers

Today 3 Sep South West

Partly cloudy. High chance of showers, most likely in the late morning and afternoon. Winds west to northwesterly 25 to 35 km/h. Overnight temperatures falling to around 7 with daytime temperatures reaching around 14.

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Casterton Temperature Statistics View More

September Temperature

Casterton (5km)

  • Lowest 2 September, 2025

    4 °C

  • Average September

    9.3 °C

  • Highest 1 September, 2025

    15.3 °C

Climate (2020–Present)

Casterton (5km)

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  • Average Low 2020–2025

    8.4 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.7 °C
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