Marion Bay Weather Forecast

    • 10
    • 16

    Cloudy

    • 9
    • 17

    Cloud clearing

    • 10
    • 20

    Sunny

    • 13
    • 23

    Sunny

    • 14
    • 20

    Partly cloudy

    • 12
    • 17

    Partly cloudy

    • 11
    • 17

    Partly cloudy

Today 16 Sep Yorke Peninsula

Partly cloudy. Winds southeasterly 15 to 25 km/h. Overnight temperatures falling to between 3 and 9 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage early in the morning.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres through the Backstairs Passage around midday.
Weather
Cloudy.
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  • 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

    14.1 °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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