Marion Bay Weather Forecast

    • 9
    • 16

    Shower or two

    • 11
    • 17

    Possible shower

    • 10
    • 17

    Possible shower

    • 9
    • 16

    Possible shower

    • 10
    • 16

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 19

    Shower or two

Today 12 Aug Yorke Peninsula

Partly cloudy. High chance of showers in the south, medium chance elsewhere. Winds westerly 20 to 30 km/h. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will extend into South Australia from the west this evening, with the associated high to move over the state on Thursday. The high will then gradually drift to the southeast to be located in vicinity of Tasmania over the weekend, with a ridge expected to remain over South Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

August Temperature

Stenhouse Bay (6km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12 °C

  • Highest 7 August, 2026

    19 °C

Climate (2021–2026)

Stenhouse Bay (6km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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