Portland Bay Weather Forecast
- 6
- 21
Sunny
- 9
- 23
Mostly sunny
- 13
- 25
Mostly sunny
- 15
- 26
Partly cloudy
- 12
- 22
Shower or two
- 12
- 19
Showers easing
- 9
- 19
Possible shower
Today 2 May South West
Sunny. The chance of morning frost. The chance of morning fog in the east. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures around 20.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- North to northwesterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system will move through Bass Strait and into the Tasman Sea today, directing a northerly flow over Victorian waters through the weekend and into early next week. A cold front slips southwards as it approaches western Bass Strait during Monday.
Portland Bay Temperature Statistics View More
May Temperature
Portland Airport (25km)
Lowest 1 May, 2025
9.8 °CAverage May
12.5 °CHighest
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Climate (2020–Present)
Portland Airport (25km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
18.1 °C