Marion Bay Weather Forecast

    • 11
    • 16

    Mostly sunny

    • 13
    • 21

    Mostly sunny

    • 15
    • 25

    Shower or two

    • 16
    • 22

    Possible shower

    • 14
    • 22

    Partly cloudy

    • 15
    • 23

    Shower or two

    • 14
    • 21

    Possible shower

Today 28 Oct Yorke Peninsula

Mostly sunny. Light winds becoming south to southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures between 18 and 21.

Investigator Strait Coastal Waters

Wind
South to southwesterly about 10 knots tending west to southwesterly 10 to 15 knots in the middle of the day then turning south to southeasterly in the afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight extends a ridge over southern parts of the state. The high will drift eastward over the coming days, clearing east of Australia from Thursday. A trough and low pressure system are then forecast to track into western SA on Thursday, crossing the rest of the state on Friday, and then clearing the east early Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

October Temperature

Stenhouse Bay (6 km)

  • Lowest 26 October, 2026

    10.3 °C

  • Average October

    16.3 °C

  • Highest 22 October, 2026

    32.3 °C

Climate (2021–2026)

Stenhouse Bay (6 km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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