Main Beach (Byron Bay) Weather Forecast

    • 13
    • 24

    Clear

    • 14
    • 27

    Sunny

    • 16
    • 22

    Shower or two

    • 17
    • 21

    Shower or two

    • 16
    • 21

    Shower or two

    • 15
    • 21

    Shower or two

    • 14
    • 22

    Partly cloudy

Today 20 Sep Northern Rivers

Clear. Light winds.

Byron Coastal Waters

Point Danger to Wooli
Wind
Northerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Cape Byron.
1st Swell
Southerly around 1 metre.
Weather
Clear.
Weather Situation
A high pressure system over the Tasman Sea today directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters on Monday, reaching the QLD border by Tuesday. A second high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Main Beach (Byron Bay) Temperature Statistics View More

September Temperature

Cape Byron (1km)

  • Lowest 17 September, 2026

    12 °C

  • Average September

    18.4 °C

  • Highest 6 September, 2026

    26.9 °C

Climate (2021–2026)

Cape Byron (1km)

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  • Average Low 2021–2026

    17.4 °C

  • Average 2021–2026

    20.2 °C

  • Average High 2021–2026

    23.8 °C
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