Portsea Surf Beach Weather Forecast
- 7
- 15
Sunny
- 7
- 15
Partly cloudy
- 7
- 16
Sunny
- 10
- 18
Shower
- 10
- 16
Shower
- 8
- 15
Shower
- 9
- 15
Shower
Today 20 Jun Mornington Peninsula
Sunny. Winds northerly 15 to 20 km/h becoming light in the middle of the day.
Port Phillip Local Waters
- Wind
- North to northeasterly about 10 knots.
- Seas
- Below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A slow moving high pressure system over southern NSW extends a ridge over eastern Bass Strait. The high will move over the Tasman Sea on Saturday, with northerly winds strengthening on Sunday into Monday as a cold front crosses the Bight.
Portsea Surf Beach Temperature Statistics View More
June Temperature
Avalon Airport (39km)
Lowest 14 June, 2025
-0.6 °CAverage June
9.4 °CHighest 2 June, 2025
20.2 °C
Climate (2020–Present)
Avalon Airport (39km)
Average Low 2020–2025
9.7 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C