Marion Bay Weather Forecast

    • 15
    • 22

    Rain

    • 15
    • 21

    Rain easing

    • 13
    • 19

    Shower or two

    • 13
    • 20

    Shower or two

    • 14
    • 19

    Shower or two

    • 14
    • 19

    Partly cloudy

    • 13
    • 20

    Partly cloudy

Today 15 May Yorke Peninsula

Cloudy. Very high chance of rain, most likely from late this morning. The chance of a thunderstorm. Winds northeasterly 15 to 25 km/h turning northerly during the day. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Northeasterly 15 to 20 knots turning northerly during the day.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Weather Situation
A strong high pressure system in the Tasman Sea is slowly moving east. A cold front will move east across the Southern Ocean over the weekend, with a second front moving across the south of SA on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

May Temperature

Stenhouse Bay (6km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    28.9 °C

Climate (2021–Present)

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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