Main Beach (Byron Bay) Weather Forecast
- 15
- 23
Late shower or two
- 17
- 19
Showers
- 15
- 20
Partly cloudy
- 13
- 21
Partly cloudy
- 13
- 22
Partly cloudy
- 14
- 23
Sunny
- 15
- 23
Partly cloudy
Today 27 Sep Northern Rivers
Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the late morning and afternoon. Winds southeasterly 15 to 25 km/h becoming light in the evening.
Byron Coastal Waters
Point Danger to Wooli- Wind
- Variable about 10 knots becoming northwest to northeasterly 15 to 20 knots in the middle of the day then tending southerly in the early afternoon. Winds reaching up to 25 knots inshore during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 1 to 2 metres by early evening.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Cape Byron.
- Weather
- Partly cloudy. 50% chance of showers. The chance of a thunderstorm south of Cape Byron in the late morning and afternoon.
- Weather Situation
- Fresh south to southeasterly winds lie over the coastal waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly.
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