Marion Bay Weather Forecast

    • 12
    • 21

    Sunny

    • 14
    • 21

    Mostly sunny

    • 14
    • 20

    Partly cloudy

    • 13
    • 23

    Sunny

    • 17
    • 23

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 14
    • 23

    Mostly sunny

Today 15 Apr Yorke Peninsula

Sunny. Light winds. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred over the south of SA will move slowly eastwards this week and a cold front will move across the far southeast of SA on Thursday. A second high pressure system is expected to follow and will become established south of the Bight late Thursday then will move eastwards during Friday and Saturday. A trough will move over the far west on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marion Bay Temperature Statistics View More

April Temperature

Cape Borda (67km)

  • Lowest 8 April, 2026

    9.4 °C

  • Average April

    15.4 °C

  • Highest 4 April, 2026

    22.2 °C

Climate (2021–Present)

Cape Borda (67km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.9 °C

  • Average High 2021–2026

    18.9 °C
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