Portland Bay Weather Forecast
- 10
- 21
Partly cloudy
- 12
- 22
Partly cloudy
- 13
- 21
Showers
- 12
- 19
Showers
- 11
- 19
Shower or two
- 10
- 18
Showers
- 9
- 17
Shower or two
Today 14 May South West
Partly cloudy. Patchy morning fog in the southeast. Light winds becoming northeasterly 15 to 25 km/h in the morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 20.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
- Weather
- Partly cloudy.
Portland Bay Temperature Statistics View More
May Temperature
Portland Airport (25km)
Lowest 7 May, 2026
5.9 °CAverage May
13.9 °CHighest 1 May, 2026
27.3 °C
Climate (2021–Present)
Portland Airport (25km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.1 °C