Marion Bay Weather Forecast

    • 13
    • 19

    Possible shower

    • 13
    • 19

    Possible shower

    • 13
    • 19

    Possible shower

    • 13
    • 19

    Cloudy

    • 13
    • 21

    Mostly sunny

    • 14
    • 22

    Possible shower

    • 14
    • 21

    Shower or two

Today 8 May Yorke Peninsula

Cloudy. Slight chance of a shower. Winds southerly 20 to 30 km/h. Daytime maximum temperatures around 19.

Investigator Strait Coastal Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage during the morning and early afternoon. Winds tending southerly in the middle of the day.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure system south of Western Australia will move slowly eastwards south of the Bight during the next few days. The high will then move eastwards early next week to be centred southeast of Tasmania late Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

May Temperature

Stenhouse Bay (6km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.4 °C

  • Highest 1 May, 2026

    28.9 °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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