Marion Bay Weather Forecast

    • 9
    • 15

    Mostly sunny

    • 8
    • 16

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 11
    • 17

    Showers

    • 11
    • 17

    Showers increasing

    • 11
    • 17

    Showers

    • 10
    • 16

    Showers. Windy

Today 26 Jun Yorke Peninsula

Mostly sunny. Winds easterly 15 to 20 km/h becoming light in the late afternoon then becoming easterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Easterly 10 to 15 knots decreasing to about 10 knots in the morning then increasing to 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred over Tasmania extends a ridge over SA. The high and ridge will move eastwards on Sunday and a low pressure trough is expected to reach the far west of the state on Sunday. The trough will slip southeastwards early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

June Temperature

Stenhouse Bay (6km)

  • Lowest 22 June, 2026

    6.8 °C

  • Average June

    13.6 °C

  • Highest 12 June, 2026

    20.9 °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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