Sullivan Bay Weather Forecast
- 9
- 15
Partly cloudy
- 10
- 15
Shower
- 9
- 14
Partly cloudy
- 8
- 14
Partly cloudy
- 8
- 16
Partly cloudy
- 9
- 17
Partly cloudy
- 10
- 17
Shower
Today 13 Aug Mornington Peninsula
Partly cloudy. Medium chance of light showers, becoming less likely in the evening. Winds westerly 15 to 25 km/h becoming light in the early afternoon then becoming westerly 15 to 25 km/h in the evening.
Port Phillip Local Waters
- Wind
- Westerly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
- Seas
- Below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system developing south of the Bight extends a ridge over Victoria. The high will drift slowly to the southeast over Tasmania over the weekend.
Sullivan Bay Temperature Statistics View More
August Temperature
Cerberus (36km)
Lowest 2 August, 2026
2.3 °CAverage August
10.5 °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