Sullivan Bay Weather Forecast
- 9
- 14
Cloudy
- 9
- 20
Shower
- 10
- 16
Shower
- 10
- 17
Shower
- 9
- 17
Shower
- 11
- 16
Shower
- 9
- 14
Shower
Today 31 Aug Mornington Peninsula
Partly cloudy. Light winds.
Port Phillip Local Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy.
Sullivan Bay Temperature Statistics View More
August Temperature
Cerberus (36km)
Lowest 2 August, 2026
2.3 °CAverage August
11.1 °CHighest 24 August, 2026
18 °C
Climate (2021–2026)
Cerberus (36km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C