Marion Bay Weather Forecast

    • 12
    • 17

    Possible shower

    • 11
    • 16

    Cloudy

    • 10
    • 16

    Cloudy

    • 9
    • 16

    Cloud clearing

    • 10
    • 20

    Sunny

    • 13
    • 22

    Sunny

    • 13
    • 17

    Cloudy

Today 14 Sep Yorke Peninsula

Cloudy. The chance of fog in the north in the early morning. Slight chance of a shower, most likely at night. Winds westerly 15 to 20 km/h turning southwesterly 15 to 25 km/h during the day. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 18.

Investigator Strait Coastal Waters

Wind
Westerly 10 to 15 knots turning southwesterly in the late evening. Winds reaching up to 20 knots inshore in the late evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
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 8 September, 2026

    8.9 °C

  • Average September

    14.2 °C

  • Highest 12 September, 2026

    25.2 °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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