Portland Bay Weather Forecast
- 9
- 14
Cloudy
- 8
- 15
Cloudy
- 7
- 19
Partly cloudy
- 9
- 23
Mostly sunny
- 11
- 24
Partly cloudy
- 12
- 25
Mostly sunny
- 14
- 26
Partly cloudy
Today 13 Oct South West
Cloudy. Slight chance of a shower, becoming less likely in the afternoon. Winds southwesterly 20 to 30 km/h turning southerly 15 to 20 km/h in the evening. Daytime maximum temperatures around 13.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Southwesterly 15 to 25 knots, reaching up to 30 knots in the far east in the late morning. Winds turning southerly 10 to 15 knots in the late evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 4 to 5 metres.
- Weather
- Cloudy.
- Weather Situation
- A cold front will move across Tasmania and Bass Strait early this morning. A cool southwesterly airstream will follow as a high pressure system drifts eastwards across the Bight. By Thursday the high will be centred near Tasmania and will direct a warmer east to northeasterly flow over Victoria. The high will move over the Tasman Sea on Friday.
Portland Bay Temperature Statistics View More
October Temperature
Portland Airport (25 km)
Lowest 7 October, 2026
4.9 °CAverage October
13.2 °CHighest 11 October, 2026
24.1 °C
Climate (2021–2026)
Portland Airport (25 km)
Average Low 2021–2026
9.7 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.2 °C