Sullivan Bay Weather Forecast
- 7
- 15
Partly cloudy
- 7
- 16
Partly cloudy
- 8
- 17
Partly cloudy
- 11
- 17
Shower
- 11
- 15
Shower
- 9
- 15
Shower
- 9
- 14
Shower
Today 16 Aug Mornington Peninsula
Cloud clearing. Light winds.
Port Phillip Local Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. Patchy morning fog in the north with reduced visibility.
- Weather Situation
- A high pressure system centred west of Tasmania will move slowly eastwards to be centred over Tasmania today then over the Tasman Sea early next week. An associated ridge will lie to the south of Victoria today then to the east, over the Tasman Sea, early next week. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday.
Sullivan Bay Temperature Statistics View More
August Temperature
Cerberus (36km)
Lowest 2 August, 2026
2.3 °CAverage August
10.7 °CHighest 2 August, 2026
17.4 °C
Climate (2021–2026)
Cerberus (36km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C