Marion Bay Weather Forecast

    • 9
    • 14

    Possible shower

    • 9
    • 15

    Cloudy

    • 10
    • 17

    Showers easing

    • 11
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 9
    • 16

    Possible shower

Today 23 Jul Yorke Peninsula

Partly cloudy. Medium chance of showers. Winds south to southwesterly 15 to 25 km/h becoming light in the late evening. Overnight temperatures falling to around 6 with daytime temperatures reaching around 14.

Investigator Strait Coastal Waters

Wind
Southerly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage during the morning and early afternoon. Winds turning southwesterly before dawn.
Seas
Around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • 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

    12.3 °C

  • Highest 18 July, 2026

    18.4 °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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