Main Beach (Byron Bay) Weather Forecast

    • 17
    • 23

    Partly cloudy

    • 18
    • 22

    Showers easing

    • 16
    • 22

    Possible shower

    • 15
    • 23

    Possible shower

    • 16
    • 20

    Shower or two

    • 14
    • 20

    Shower or two. Windy

    • 15
    • 21

    Mostly sunny

Today 19 Sep Northern Rivers

Partly cloudy. The chance of fog in the early morning, mainly inland. Medium chance of showers, most likely at night. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds and large hail inland. Light winds becoming north to northeasterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to around 14 with daytime temperatures reaching around 30.

Byron Coastal Waters

Point Danger to Wooli
Wind
Variable about 10 knots becoming northerly 15 to 20 knots in the middle of the day. Winds reaching up to 25 knots offshore south of Cape Byron in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm south of Cape Byron at night.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Main Beach (Byron Bay) Temperature Statistics View More

September Temperature

Cape Byron (1km)

  • Lowest 1 September, 2025

    12.3 °C

  • Average September

    18.3 °C

  • Highest 14 September, 2025

    23.7 °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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