Marion Bay Weather Forecast

    • 13
    • 24

    Partly cloudy

    • 13
    • 18

    Partly cloudy

    • 12
    • 18

    Cloudy

    • 11
    • 17

    Cloudy

    • 12
    • 20

    Sunny

    • 12
    • 22

    Partly cloudy

    • 14
    • 23

    Sunny

Today 11 Oct Yorke Peninsula

Partly cloudy. High chance of showers in the north, medium chance elsewhere. The chance of a thunderstorm, possibly severe with damaging winds in the afternoon and evening. Winds northerly 25 to 35 km/h increasing to 40 km/h before shifting southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 30.

Investigator Strait Coastal Waters

Wind
North to northwesterly 15 to 20 knots shifting south to southwesterly below 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm from the late morning.
Weather Situation
A ridge of high pressure to the east directs a northerly flow over South Australia. A trough and cold front about the far west will cross the state today and Monday morning. A cool southwesterly airstream will follow as a new high drifts eastwards across the Bight early this week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

October Temperature

Stenhouse Bay (6 km)

  • Lowest 5 October, 2026

    11.7 °C

  • Average October

    15.8 °C

  • Highest 8 October, 2026

    29.9 °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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