Marion Bay Weather Forecast

    • 10
    • 17

    Mostly clear

    • 11
    • 17

    Partly cloudy

    • 11
    • 17

    Possible late shower

    • 11
    • 16

    Showers

    • 9
    • 14

    Possible shower

    • 9
    • 15

    Possible shower

    • 11
    • 16

    Shower or two

Today 19 Jul Yorke Peninsula

Mostly clear. Winds north to northeasterly 15 to 20 km/h.

Investigator Strait Coastal Waters

Wind
Northerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight by Thursday evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

July Temperature

Stenhouse Bay (6km)

  • Lowest 17 July, 2026

    4.2 °C

  • Average July

    12.2 °C

  • Highest 10 July, 2026

    17.8 °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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