Main Beach (Byron Bay) Weather Forecast

    • 21
    • 29

    Windy. Clear

    • 22
    • 30

    Windy. Sunny

    • 23
    • 32

    Windy. Mostly sunny

    • 23
    • 29

    Showers. Possible storm

    • 22
    • 27

    Shower or two

    • 21
    • 29

    Shower or two

    • 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.

Byron Coastal Waters

Point Danger to Wooli
Wind
Northerly 15 to 20 knots, reaching up to 25 knots south of Cape Byron during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
Easterly below 1 metre.
Weather
Mostly clear. The chance of a thunderstorm inshore early this evening.
Weather Situation
A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Main Beach (Byron Bay) Temperature Statistics View More

December Temperature

Cape Byron (1km)

  • Lowest 3 December, 2025

    16.6 °C

  • Average December

    23 °C

  • Highest 10 December, 2025

    31 °C

Climate (2020–Present)

Cape Byron (1km)

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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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