St Andrews Beach Weather Forecast
- 10
- 19
Sunny
- 12
- 28
Partly cloudy
- 16
- 21
Partly cloudy
- 12
- 19
Shower
- 11
- 17
Shower
- 11
- 18
Cloudy
- 10
- 25
Sunny
Today 11 Dec Mornington Peninsula
Sunny. Winds southeasterly 20 to 30 km/h.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Southeasterly 10 to 15 knots turning easterly 15 to 20 knots in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
- Weather
- Sunny.
- Weather Situation
- A ridge of high pressure extends across Victoria today with the high centre to the south of the Bight forecast to move eastwards across Tasmania. A trough is forecast to extend from NSW into the northeast of Victoria during today, before a more significant trough is forecast to move across the far west on Friday then over the remainder of the state on Saturday. A cold front in expected to move through Bass Strait during Sunday with increasing south to southwesterly flow over the state as a secondary high pressure ridge extends over from the west.
St Andrews Beach Temperature Statistics View More
December Temperature
Cerberus (31km)
Lowest 3 December, 2025
6 °CAverage December
15.5 °CHighest 4 December, 2025
34 °C
Climate (2020–Present)
Cerberus (31km)
Average Low 2020–2025
10.1 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.5 °C