St Pauls Beach Weather Forecast
- 13
- 17
Rain
- 12
- 19
Shower
- 13
- 18
Shower
- 12
- 19
Shower
- 12
- 17
Shower
- 12
- 17
Cloudy
- 12
- 21
Partly cloudy
Today 21 Dec Mornington Peninsula
Cloudy. High chance of rain, becoming less likely later this evening. The chance of a thunderstorm early this evening. Winds southerly 20 to 30 km/h tending southwesterly 25 to 40 km/h in the evening.
Port Phillip Local Waters
- Wind
- Southerly 15 to 20 knots turning southwesterly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the south in the evening.
- Seas
- Around 1 metre.
- Weather
- Cloudy. 80% chance of rain. The chance of a thunderstorm in the north early this evening.
- Weather Situation
- A low pressure system lies over eastern Victoria and Bass Strait and is expected to deepen as it moves southeast into the Tasman Sea by late Sunday. A high pressure ridge then builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself over Bass Strait from Tuesday to Thursday.
St Pauls Beach Temperature Statistics View More
December Temperature
Cerberus (38km)
Lowest 3 December, 2025
6 °CAverage December
16.5 °CHighest 18 December, 2025
35.8 °C
Climate (2020–Present)
Cerberus (38km)
Average Low 2020–2025
10.1 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.5 °C