Descartes Bay Weather Forecast
- 11
- 22
Partly cloudy
- 12
- 22
Partly cloudy
- 13
- 22
Partly cloudy
- 13
- 20
Showers
- 13
- 19
Showers
- 12
- 19
Shower or two
- 11
- 18
Showers
Today 13 May South West
Mostly sunny. Winds northeasterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures in the low 20s.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- East to northeasterly 10 to 15 knots, reaching up to 20 knots in the far east in the late morning.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A large high pressure system centred southeast of Tasmania extends a ridge up the east coast of Australia, which will persist for most of the week as the high moves slowly southeastwards. A cold front is expected to approach from the southwest late Friday then move across Victoria over the weekend.
Descartes Bay Temperature Statistics View More
May Temperature
Portland Airport (7km)
Lowest 7 May, 2026
5.9 °CAverage May
13.9 °CHighest 1 May, 2026
27.3 °C
Climate (2021–Present)
Portland Airport (7km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.1 °C