Marion Bay Weather Forecast

    • 9
    • 14

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 10
    • 17

    Possible shower

    • 8
    • 17

    Showers

    • 11
    • 17

    Showers increasing

    • 9
    • 15

    Showers. Windy

    • 10
    • 16

    Showers easing. Wind easing

Today 4 Aug Yorke Peninsula

Cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Light winds. Daytime maximum temperatures around 15.

Investigator Strait Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly around 1 metre.
Weather
Cloudy.
Weather Situation
A high pressure system centred in the Bight will slowly move over southeastern Australia this week while maintaining a ridge over SA. A trough will pass by the coast mid week before a stronger cold front begins to move into the Bight this weekend.
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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

    11.1 °C

  • Highest 2 August, 2026

    15.8 °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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