Marion Bay Weather Forecast

    • 17
    • 23

    Partly cloudy

    • 17
    • 23

    Mostly sunny

    • 16
    • 23

    Sunny

    • 16
    • 23

    Sunny

    • 17
    • 24

    Sunny

    • 18
    • 26

    Sunny

    • 18
    • 26

    Mostly sunny

Today 18 Mar Yorke Peninsula

Partly cloudy. Slight chance of a shower early this morning. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures in the mid to high 20s.

Investigator Strait Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A low and trough over northeast SA will continue to move northeastwards clearing the State by Thursday. A ridge of high pressure persists to the south.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

March Temperature

Stenhouse Bay (6km)

  • Lowest 10 March, 2026

    13.3 °C

  • Average March

    18.6 °C

  • Highest 10 March, 2026

    27.2 °C

Climate (2021–Present)

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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