Cotter River Weather Forecast
- 12
- 22
Storm
- 12
- 21
Storm
- 12
- 22
Storm
- 12
- 25
Partly cloudy
- 10
- 23
Partly cloudy
- 9
- 23
Partly cloudy
- 9
- 28
Sunny
Today 11 Dec South West Slopes
Partly cloudy. Medium chance of showers, most likely in the afternoon and early evening. A thunderstorm likely, possibly severe with damaging winds. Winds easterly 20 to 30 km/h. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching 23 to 31.
Cotter River Temperature Statistics View More
December Temperature
Tuggeranong (Isabella Plains) (23km)
Lowest 2 December, 2025
1.2 °CAverage December
19 °CHighest 5 December, 2025
34.6 °C
Climate (2020–Present)
Tuggeranong (Isabella Plains) (23km)
Average Low 2020–2025
7.1 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
20.6 °C