Penneshaw Weather Forecast

    • 11
    • 16

    Shower

    • 10
    • 16

    Shower

    • 8
    • 15

    Shower

    • 8
    • 16

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 10
    • 16

    Shower

    • 9
    • 15

    Shower

Today 19 Aug Kangaroo Island

Partly cloudy. Very high chance of showers, most likely in the morning. The chance of a thunderstorm in the early morning. Winds northwesterly 25 to 35 km/h turning westerly 25 to 40 km/h in the late morning then decreasing to 20 to 30 km/h in the late afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
North to northwesterly 15 to 20 knots tending west to northwesterly 15 to 25 knots early in the morning.
Seas
1 to 2 metres.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then tending westerly 1.5 to 2.5 metres around midday.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penneshaw Temperature Statistics View More

August Temperature

Cape Willoughby (22km)

  • Lowest 4 August, 2026

    8.9 °C

  • Average August

    12.5 °C

  • Highest 7 August, 2026

    17.4 °C

Climate (2021–2026)

Cape Willoughby (22km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.5 °C
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