Marion Bay Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 17
    • 27

    Windy. Partly cloudy

    • 13
    • 20

    Showers

    • 13
    • 19

    Showers easing

    • 11
    • 17

    Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 11
    • 19

    Mostly sunny

Today 28 Sep Yorke Peninsula

Partly cloudy. Winds easterly 20 to 30 km/h tending northeasterly in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching 24 to 31.

Investigator Strait Coastal Waters

Wind
Easterly 15 to 20 knots tending northeasterly in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

September Temperature

Stenhouse Bay (6km)

  • Lowest 17 September, 2026

    6.7 °C

  • Average September

    14.6 °C

  • Highest 24 September, 2026

    28.3 °C

Climate (2021–2026)

Stenhouse Bay (6km)

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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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