Marion Bay Weather Forecast

    • 11
    • 19

    Mostly sunny

    • 11
    • 18

    Mostly sunny

    • 10
    • 16

    Sunny

    • 9
    • 18

    Sunny

    • 12
    • 19

    Shower or two

    • 11
    • 17

    Shower or two

    • 11
    • 17

    Shower or two

Today 28 Aug Yorke Peninsula

Sunny. Winds northerly 15 to 20 km/h becoming light in the middle of the day. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 20.

Investigator Strait Coastal Waters

Wind
North to northeasterly about 10 knots becoming east to southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres later in the evening.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • 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

    12.7 °C

  • Highest 18 August, 2026

    19.9 °C

Climate (2021–2026)

Stenhouse Bay (6km)

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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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