Main Beach (Byron Bay) Weather Forecast
- 13
- 21
Shower or two
- 15
- 19
Showers easing. Windy
- 14
- 20
Showers easing
- 14
- 20
Showers easing
- 14
- 21
Shower or two
- 13
- 21
Possible shower
- 14
- 22
Mostly sunny
Today 9 Sep Northern Rivers
The chance of fog near the Queensland border in the early morning. Mostly sunny day. Medium chance of showers in the evening. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then turning south to southeasterly in the late afternoon. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching the low to mid 20s.
Byron Coastal Waters
Point Danger to Wooli- Wind
- Southeast to southwesterly 10 to 15 knots tending east to northeasterly in the early afternoon then turning south to southeasterly in the evening. Winds reaching up to 20 knots offshore south of Yamba in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 60% chance of showers.
- Weather Situation
- A broad high pressure ridge extends across the state while a cold front crossing the eastern areas on Wednesday, with showers and fresh to strong southerly winds along the coast in its wake. Winds will gradually ease later in the week, then turn east to northeasterly as a high pressure system traverses the state's south and enters the Tasman Sea by the weekend.
Main Beach (Byron Bay) Temperature Statistics View More
September Temperature
Cape Byron (1km)
Lowest 1 September, 2026
14.2 °CAverage September
19.2 °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