Penneshaw Weather Forecast

    • 10
    • 14

    Shower

    • 8
    • 14

    Shower

    • 8
    • 13

    Shower

    • 9
    • 14

    Partly cloudy

    • 8
    • 14

    Sunny

    • 10
    • 16

    Sunny

    • 12
    • 17

    Cloudy

Today 15 Aug Kangaroo Island

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds westerly 25 to 35 km/h tending southwesterly 20 to 30 km/h in the evening.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 25 knots, reaching up to 30 knots in the evening. Winds turning southwesterly 15 to 25 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
Westerly 1.5 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A cold front continues to move across the state today as a high pressure system begins to move in across the north. Another cold front will pass under the high on Saturday and clip the southeastern districts over the weekend before the high becomes established in the Bight early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penneshaw Temperature Statistics View More

August Temperature

Cape Willoughby (22km)

  • Lowest 2 August, 2025

    8.6 °C

  • Average August

    12.5 °C

  • Highest 11 August, 2025

    17.8 °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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