Penneshaw Weather Forecast

    • 11
    • 16

    Windy

    • 9
    • 15

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 10
    • 17

    Shower

    • 9
    • 15

    Shower

    • 10
    • 16

    Partly cloudy

    • 9
    • 15

    Cloudy

Today 16 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 30 knots, decreasing to 20 to 25 knots in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will move in from the west and quickly track eastwards through Wednesday with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast.
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  • Temperature Forecast Bureau of Meteorology

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Penneshaw Temperature Statistics View More

September Temperature

Cape Willoughby (22km)

  • Lowest 1 September, 2025

    8.8 °C

  • Average September

    13.5 °C

  • Highest 6 September, 2025

    23.9 °C

Climate (2020–Present)

Cape Willoughby (22km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    18.4 °C
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