Marion Bay Weather Forecast
- 9
- 16
Showers. Becoming windy
- 11
- 15
Possible shower
- 9
- 15
Cloudy
- 8
- 16
Partly cloudy
- 10
- 17
Sunny
- 9
- 18
Showers increasing
- 11
- 18
Showers. Becoming windy
Today 2 Aug Yorke Peninsula
Partly cloudy. High chance of showers in the south, medium chance elsewhere. Winds north to northwesterly 25 to 35 km/h turning westerly 20 to 30 km/h in the early afternoon. Daytime maximum temperatures around 16.
Investigator Strait Coastal Waters
- Wind
- North to northwesterly 20 to 25 knots turning westerly in the early afternoon. Winds reaching up to 30 knots in the late afternoon.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A cold front moves across the southeast of the state throughout today and early Monday. Another high pressure system moves into the Bight, behind the front, and moves slowly east throughout the week.
Marion Bay Temperature Statistics View More
August Temperature
Stenhouse Bay (6km)
Lowest 1 August, 2026
4.5 °CAverage August
7.8 °CHighest
–
Climate (2021–2026)
Stenhouse Bay (6km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C