Main Arm Weather Forecast
- 20
- 29
Shower or two. Possible storm
- 19
- 29
Shower or two
- 19
- 28
Partly cloudy
- 19
- 28
Possible shower
- 19
- 29
Possible shower
- 20
- 30
Possible shower
- 20
- 31
Shower or two
Today 5 Jan Northern Rivers
Partly cloudy. Medium chance of showers, most likely in the afternoon and early evening. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Winds north to northeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures 28 to 33.
Main Arm Temperature Statistics View More
January Temperature
Cape Byron (23km)
Lowest 3 January, 2026
18.6 °CAverage January
23.4 °CHighest 1 January, 2026
31.1 °C
Climate (2021–Present)
Cape Byron (23km)
Average Low 2021–2026
17.3 °CAverage 2021–2026
20.2 °CAverage High 2021–2026
23.7 °C