Lake Nepean Weather Forecast
- 7
- 15
Partly cloudy
- 5
- 18
Partly cloudy
- 7
- 14
Partly cloudy
- 4
- 14
Partly cloudy
- 5
- 13
Shower
- 5
- 14
Shower
Today 14 Aug Illawarra
Partly cloudy. The chance of fog about higher ground in the early morning. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to between 3 and 9 with daytime temperatures reaching between 13 and 17.
Lake Nepean Temperature Statistics View More
August Temperature
Moss Vale (24km)
Lowest 13 August, 2025
0.8 °CAverage August
7.6 °CHighest 5 August, 2025
16.2 °C
Climate (2020–Present)
Moss Vale (24km)
Average Low 2020–2025
8.5 °CAverage 2020–2025
12.9 °CAverage High 2020–2025
18.7 °C