Marion Bay Weather Forecast

    • 12
    • 20

    Clear

    • 13
    • 23

    Partly cloudy

    • 14
    • 23

    Sunny

    • 16
    • 25

    Sunny

    • 17
    • 25

    Partly cloudy

    • 16
    • 24

    Possible shower

    • 14
    • 22

    Partly cloudy

Today 15 Oct Yorke Peninsula

Clear. Winds east to southeasterly 15 to 20 km/h.

Investigator Strait Coastal Waters

Wind
East to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A high pressure system moving over the Tasman Sea extends a ridge over eastern SA until early next week, while a trough lies through the far northwest, before weakening over the weekend. A cold front is forecast to cross the Bight on Monday, extending a trough over western and southern SA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

October Temperature

Stenhouse Bay (6 km)

  • Lowest 11 October, 2026

    10.6 °C

  • Average October

    15.6 °C

  • Highest 8 October, 2026

    29.9 °C

Climate (2021–2026)

Stenhouse Bay (6 km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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