Nepean Bay Weather Forecast
- 8
- 13
Shower
- 4
- 14
Partly cloudy
- 8
- 15
Partly cloudy
- 8
- 14
Shower
- 4
- 14
Partly cloudy
- 7
- 13
Shower
- 7
- 12
Shower
Today 3 Jul Central
Cloudy. High chance of showers, most likely in the morning. Winds south to southwesterly 15 to 20 km/h becoming light in the early morning. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 10 and 14.
Port Phillip Local Waters
- Wind
- Southerly 10 to 15 knots becoming variable below 10 knots in the early morning.
- Seas
- Below 1 metre.
- Weather
- Cloudy. 80% chance of showers.
Nepean Bay Temperature Statistics View More
July Temperature
Avalon Airport (35km)
Lowest 2 July, 2025
3.3 °CAverage July
7.3 °CHighest 1 July, 2025
14 °C
Climate (2020–Present)
Avalon Airport (35km)
Average Low 2020–2025
9.7 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C