St Andrews Beach Weather Forecast
- 11
- 20
Shower
- 6
- 15
Shower
- 9
- 17
Shower
- 8
- 14
Shower
- 8
- 15
Shower
- 9
- 16
Shower
- 9
- 17
Shower
Today 19 Sep Mornington Peninsula
Partly cloudy. Very high chance of showers, most likely this evening. The chance of a thunderstorm during this afternoon and evening in the east. Damaging winds possible. Winds northerly 40 to 60 km/h tending northwesterly 30 to 45 km/h in the afternoon.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the middle of the day then tending west to northwesterly 20 to 30 knots in the late afternoon. Winds reaching up to 35 knots offshore in the evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- West to southwesterly 1 to 2 metres, increasing to 2 to 3 metres by early evening, then tending westerly 2.5 to 3 metres later in the evening.
- Weather
- Mostly sunny. 90% chance of showers, with possible small hail at night. The chance of a thunderstorm in the late afternoon and evening.
- Weather Situation
- A weak high pressure system lies over the Tasman Sea, while a cold front approaching from the west will move across Bass Strait this afternoon and evening. Several other fronts will follow over the coming days. A new ridge of high pressure will develop south of the Bight early next week.
St Andrews Beach Temperature Statistics View More
September Temperature
Cerberus (31km)
Lowest 5 September, 2025
2.2 °CAverage September
12.5 °CHighest 6 September, 2025
21.4 °C
Climate (2020–Present)
Cerberus (31km)
Average Low 2020–2025
10.2 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.6 °C