Toonumbar Dam Weather Forecast

    • 14
    • 29

    Sunny

    • 15
    • 34

    Partly cloudy

    • 20
    • 32

    Storm

    • 20
    • 27

    Shower

    • 20
    • 28

    Shower

    • 19
    • 31

    Shower

    • 20
    • 31

    Shower

Today 30 Dec Northern Rivers

Sunny. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures in the mid to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Toonumbar Dam Temperature Statistics View More

December Temperature

Casino Airport (39km)

  • Lowest 3 December, 2025

    11.8 °C

  • Average December

    23.6 °C

  • Highest 22 December, 2025

    37.9 °C

Climate (2020–Present)

Casino Airport (39km)

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  • Average Low 2020–2025

    13.7 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    26.5 °C
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