Marion Bay Weather Forecast

    • 11
    • 16

    Showers easing

    • 10
    • 16

    Cloudy

    • 9
    • 18

    Mostly sunny

    • 11
    • 18

    Partly cloudy

    • 11
    • 18

    Cloud clearing

    • 11
    • 17

    Sunny

    • 10
    • 19

    Sunny

Today 25 Aug Yorke Peninsula

Partly cloudy. Very high chance of showers, most likely in the morning. Winds south to southwesterly 25 to 40 km/h becoming light in the late evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 17.

Investigator Strait Coastal Waters

Wind
Southerly 15 to 25 knots turning southwesterly 10 to 15 knots during the day. Winds reaching up to 30 knots early in the morning.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 metre by early evening.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
Weather
Partly cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

August Temperature

Stenhouse Bay (6km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12.8 °C

  • Highest 18 August, 2026

    19.9 °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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