Marion Bay Weather Forecast

    • 11
    • 16

    Showers

    • 9
    • 14

    Possible shower

    • 9
    • 15

    Cloudy

    • 10
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 10
    • 15

    Shower or two

Today 22 Jul Yorke Peninsula

Partly cloudy. High chance of showers, most likely in the late morning. Winds west to northwesterly 15 to 20 km/h turning southwesterly 15 to 25 km/h during the morning. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
Westerly 15 to 20 knots turning south to southwesterly 10 to 15 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 80% chance of showers.
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

    12.2 °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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