Penneshaw Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 19

    Windy

    • 13
    • 21

    Partly cloudy

    • 15
    • 30

    Sunny

    • 17
    • 33

    Partly cloudy

Today 22 Dec Kangaroo Island

Partly cloudy. Slight chance of a shower, most likely later this evening. Winds southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Investigator Strait Coastal Waters

Wind
Westerly 15 to 20 knots turning southwesterly in the evening.
Seas
1 to 1.5 metres.
1st Swell
Westerly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday.
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  • Temperature Forecast Bureau of Meteorology

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Penneshaw Temperature Statistics View More

December Temperature

Cape Willoughby (22km)

  • Lowest 2 December, 2025

    10.7 °C

  • Average December

    17.5 °C

  • Highest 18 December, 2025

    35.9 °C

Climate (2020–Present)

Cape Willoughby (22km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    15.3 °C

  • Average High 2020–2025

    18.4 °C
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