Sandstone Island Weather Forecast
- 19
- 33
Windy. Partly cloudy
- 12
- 20
Partly cloudy
- 13
- 21
Showers
- 10
- 17
Partly cloudy
- 9
- 23
Possible shower
- 13
- 20
Cloudy
- 10
- 19
Mostly sunny
Today 4 Dec Mornington Peninsula
Partly cloudy. Winds northerly 25 to 35 km/h increasing to 40 to 60 km/h in the early morning then shifting southwesterly 25 to 35 km/h in the evening.
Western Port Local Waters
- Wind
- North to northwesterly 15 to 25 knots increasing to 20 to 30 knots in the morning then tending south to southwesterly 15 to 25 knots in the late afternoon and evening. Winds reaching up to 35 knots during the morning. Squalls to 42 knots possible in the morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres west of Sandy Point during the morning.
- Weather
- Partly cloudy. The chance of a thunderstorm with little or no rainfall during this afternoon and early evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a northwesterly flow over Victoria, strengthening this morning ahead of a trough which will cross the state later today. Another weak trough and low pressure system are expected to move over Victoria on Friday, before a cold front moves over the south during Saturday. A ridge of high pressure is then forecast to build over the state on Sunday.
Sandstone Island Temperature Statistics View More
December Temperature
Cerberus (4km)
Lowest 3 December, 2025
6 °CAverage December
13 °CHighest 2 December, 2025
17.2 °C
Climate (2020–Present)
Cerberus (4km)
Average Low 2020–2025
10.1 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.5 °C