Marion Bay Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 10
    • 16

    Possible shower

    • 10
    • 16

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 18

    Shower or two

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Showers

Today 14 Aug Yorke Peninsula

Partly cloudy. Slight chance of a light shower in the south, becoming less likely later this evening. Near zero chance of rain elsewhere. Light winds.

Investigator Strait Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres inshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred in the Bight, is slowly drifting to the southeast to be located west of Tasmania on Saturday and in the Tasman Sea on Monday. A ridge of high pressure is expected to remain over South Australia. A trough of low pressure moves in the far west of South Australia later on Tuesday.
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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

    12.2 °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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