Casterton Racecourse Weather Forecast

    • 8
    • 17

    Shower or two

    • 5
    • 17

    Partly cloudy

    • 4
    • 17

    Partly cloudy

    • 8
    • 17

    Cloudy

    • 8
    • 15

    Shower or two

    • 6
    • 15

    Shower or two

    • 6
    • 16

    Partly cloudy

Today 20 May South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds westerly 15 to 20 km/h tending southwesterly 20 to 30 km/h in the morning then becoming light in the evening. Daytime maximum temperatures around 16.

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Casterton Racecourse Temperature Statistics View More

May Temperature

Casterton (7km)

  • Lowest 7 May, 2026

    2.6 °C

  • Average May

    13.6 °C

  • Highest 1 May, 2026

    27.9 °C

Climate (2021–Present)

Casterton (7km)

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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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