Portland Bay Weather Forecast
- 11
- 23
Partly cloudy
- 14
- 23
Partly cloudy
- 11
- 29
Sunny
- 13
- 26
Cloud clearing
- 16
- 28
Showers
- 13
- 20
Partly cloudy
- 9
- 22
Mostly sunny
Today 18 Feb South West
Partly cloudy. Winds westerly 25 to 35 km/h tending west to southwesterly 15 to 25 km/h in the evening then becoming light in the late evening.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots in the east in the late afternoon.
- Seas
- 2 metres.
- 1st Swell
- Southwesterly 4 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system lies over the Bight and extends a ridge east over Victoria and Bass Strait. The high moves over Bass Strait on Thursday and into the Tasman Sea on Friday. A weak front crosses Bass Strait during Friday before another stronger front is forecast to cross Bass Strait on Sunday into Monday.
Portland Bay Temperature Statistics View More
February Temperature
Portland Airport (25km)
Lowest 6 February, 2026
5.8 °CAverage February
17 °CHighest 16 February, 2026
36.2 °C
Climate (2021–Present)
Portland Airport (25km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.1 °C