Richmond River Mouth Weather Forecast
- 17
- 31
Clear
- 13
- 23
Mostly sunny
- 12
- 21
Showers easing
- 10
- 23
Shower or two
- 13
- 21
Showers easing
- 12
- 21
Showers easing
- 12
- 21
Shower or two
Today 6 Sep Northern Rivers
Sunny. Winds northwest to southwesterly 15 to 25 km/h tending southeasterly 20 to 30 km/h in the early afternoon then tending southeast to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 30s.
Byron Coastal Waters
Point Danger to Wooli- Wind
- North to northwesterly 15 to 20 knots shifting south to southeasterly in the late morning. Winds reaching up to 25 knots south of Yamba during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- Southerly around 1 metre, increasing to 1 to 2 metres later in the evening.
- Weather
- Sunny.
- Weather Situation
- A cold front is crossing northeast NSW Sunday morning then will move offshore into the Tasman Sea through the day. Another weak ridge is forecast in the wake of the front Sunday, followed by a series of fronts slipping south of the state through Monday onwards.
Richmond River Mouth Temperature Statistics View More
September Temperature
Ballina Airport (5km)
Lowest 1 September, 2026
10.9 °CAverage September
18.1 °CHighest 3 September, 2026
30.7 °C
Climate (2021–2026)
Ballina Airport (5km)
Average Low 2021–2026
15.2 °CAverage 2021–2026
19.7 °CAverage High 2021–2026
24.7 °C