Lake Nepean Weather Forecast
- 12
- 31
Shower
- 14
- 18
Shower
- 8
- 16
Cloudy
- 8
- 16
Shower
- 10
- 16
Shower
- 11
- 18
Shower
- 11
- 19
Shower
Today 12 Oct Illawarra
Sunny morning. High chance of showers in the late afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Winds west to northwesterly 15 to 25 km/h becoming northwesterly 25 to 40 km/h in the middle of the day then turning westerly 15 to 25 km/h during the afternoon and evening. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching around 30.
Lake Nepean Temperature Statistics View More
October Temperature
Moss Vale (24 km)
Lowest 7 October, 2026
6.9 °CAverage October
14.1 °CHighest 1 October, 2026
26.2 °C
Climate (2021–2026)
Moss Vale (24 km)
Average Low 2021–2026
8.7 °CAverage 2021–2026
13.1 °CAverage High 2021–2026
19 °C