Main Arm Weather Forecast

    • 20
    • 33

    Clear

    • 20
    • 34

    Sunny

    • 22
    • 36

    Partly cloudy

    • 23
    • 32

    Showers. Storm developing

    • 22
    • 29

    Shower or two clearing

    • 21
    • 32

    Shower or two developing

    • 21
    • 27

    Shower or two

Today 20 Dec Northern Rivers

Mostly clear. The chance of a thunderstorm early this evening, possibly severe with damaging winds in the south. Winds northeasterly 20 to 30 km/h turning northerly 15 to 20 km/h in the late evening.

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Main Arm Temperature Statistics View More

December Temperature

Cape Byron (23km)

  • Lowest 3 December, 2025

    16.6 °C

  • Average December

    23 °C

  • Highest 10 December, 2025

    31 °C

Climate (2020–Present)

Cape Byron (23km)

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  • Average Low 2020–2025

    17.3 °C

  • Average 2020–2025

    20.2 °C

  • Average High 2020–2025

    23.7 °C
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