Marion Bay Weather Forecast

    • 10
    • 16

    Showers. Windy

    • 11
    • 16

    Showers

    • 9
    • 15

    Shower or two

    • 9
    • 15

    Possible shower

    • 8
    • 16

    Possible shower

    • 10
    • 17

    Shower or two

    • 9
    • 15

    Possible shower

Today 18 Jun Yorke Peninsula

Cloudy. High chance of showers, most likely later this evening. Winds north to northwesterly 30 to 45 km/h tending west to northwesterly 25 to 35 km/h in the evening.

Investigator Strait Coastal Waters

Wind
North to northwesterly 20 to 30 knots turning westerly 20 to 25 knots in the evening.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly below 1 metre.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts late on Thursday. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

June Temperature

Stenhouse Bay (6km)

  • Lowest 11 June, 2026

    8.2 °C

  • Average June

    14.3 °C

  • Highest 12 June, 2026

    20.9 °C

Climate (2021–2026)

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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