Descartes Bay Weather Forecast
- 10
- 15
Showers easing
- 8
- 15
Showers increasing
- 8
- 14
Showers easing
- 10
- 15
Showers
- 9
- 15
Shower or two
- 9
- 14
Shower or two
- 7
- 15
Partly cloudy
Today 10 Aug South West
Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds northeast to southeasterly 15 to 20 km/h becoming light before dawn then becoming southwesterly 25 to 35 km/h in the early morning. Overnight temperatures falling to around 9 with daytime temperatures reaching between 12 and 15.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- South to southeasterly 15 to 20 knots turning southwesterly 15 to 25 knots in the late morning. Winds reaching up to 30 knots in the afternoon.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the afternoon.
- Weather
- Partly cloudy. 90% chance of showers.
Descartes Bay Temperature Statistics View More
August Temperature
Portland Airport (7km)
Lowest 2 August, 2026
2.2 °CAverage August
9.5 °CHighest 8 August, 2026
16.4 °C
Climate (2021–2026)
Portland Airport (7km)
Average Low 2021–2026
9.7 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.2 °C