Main Beach (Byron Bay) Weather Forecast

    • 13
    • 19

    Possible shower

    • 11
    • 19

    Shower or two

    • 12
    • 19

    Shower or two

    • 13
    • 21

    Partly cloudy

    • 14
    • 21

    Possible shower

    • 14
    • 21

    Shower or two

    • 14
    • 21

    Possible shower

Today 18 Aug Northern Rivers

Partly cloudy. Medium chance of showers, becoming less likely late this afternoon and evening. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures around 19.

Byron Coastal Waters

Point Danger to Wooli
Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Yamba during the morning and early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Yamba.
1st Swell
Southeasterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Yamba.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure system over Tasman Sea is directing onshore southeast to northeasterly wind. Winds will strengthen and become north to northeasterly along the southern coast on Wednesday as a low pressure trough approaches from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Main Beach (Byron Bay) Temperature Statistics View More

August Temperature

Cape Byron (1km)

  • Lowest 1 August, 2026

    11.1 °C

  • Average August

    16.2 °C

  • Highest 5 August, 2026

    23 °C

Climate (2021–2026)

Cape Byron (1km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    17.4 °C

  • Average 2021–2026

    20.2 °C

  • Average High 2021–2026

    23.8 °C
Get WillyWeather+ to remove ads