Port Phillip Heads Weather Forecast
- 11
- 30
Partly cloudy
- 17
- 23
Shower
- 11
- 19
Shower
- 10
- 16
Windy
- 11
- 18
Cloudy
- 11
- 31
Sunny
- 16
- 30
Partly cloudy
Today 12 Dec Central
Mostly sunny. The chance of fog in the southwest early this morning. Slight chance of a shower later tonight. The chance of a thunderstorm during this afternoon and early evening. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly 15 to 25 km/h in the middle of the day then turning east to northeasterly 15 to 20 km/h in the afternoon. Daytime maximum temperatures around 30.
Port Phillip Local Waters
- Wind
- North to northeasterly 15 to 20 knots turning easterly 10 to 15 knots in the afternoon then tending northeasterly in the late evening.
- Seas
- Below 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm during this afternoon and early evening.
- Weather Situation
- A ridge of high pressure over Tasmania will clear into the Tasman Sea during the day with a trough lingering just across the NSW border along the east coast. A separate trough will then sweep across the state on Saturday, entering from the west in the early morning and clearing in the east by the evening. On Sunday a cold front will skim across the south with a new high pressure ridge developing in its wake on Monday.
Port Phillip Heads Temperature Statistics View More
December Temperature
Avalon Airport (33km)
Lowest 7 December, 2025
6.6 °CAverage December
16.2 °CHighest 4 December, 2025
34.8 °C
Climate (2020–Present)
Avalon Airport (33km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C