Main Beach (Byron Bay) Weather Forecast
- 16
- 20
Mostly clear
- 13
- 21
Partly cloudy
- 13
- 22
Partly cloudy
- 14
- 23
Sunny
- 15
- 23
Mostly sunny
- 16
- 23
Partly cloudy
- 17
- 23
Shower or two
Today 29 Sep Northern Rivers
Mostly clear. Winds east to southeasterly 15 to 20 km/h becoming light in the evening.
Byron Coastal Waters
Point Danger to Wooli- Wind
- Southeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Cape Byron.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
Main Beach (Byron Bay) Temperature Statistics View More
September Temperature
Cape Byron (1km)
Lowest 17 September, 2026
12 °CAverage September
18.8 °CHighest 6 September, 2026
26.9 °C
Climate (2021–2026)
Cape Byron (1km)
Average Low 2021–2026
17.4 °CAverage 2021–2026
20.2 °CAverage High 2021–2026
23.8 °C