Penneshaw Weather Forecast

    • 12
    • 17

    Shower

    • 12
    • 20

    Storm

    • 11
    • 17

    Shower

    • 11
    • 16

    Cloudy

    • 10
    • 19

    Shower

    • 14
    • 21

    Shower

    • 12
    • 17

    Shower

Today 20 Oct Kangaroo Island

Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. The chance of a thunderstorm at night. Winds southeasterly 15 to 20 km/h. Daytime maximum temperatures around 17.

Investigator Strait Coastal Waters

Wind
Southeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm later tonight.
Weather Situation
A weak ridge extends over coastal waters Monday. A low pressure system and associated cold front will move over coastal waters on Tuesday and Wednesday, reaching the Tasman Sea late on Wednesday. In the wake of this system, a high pressure system will move into the Bight on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penneshaw Temperature Statistics View More

October Temperature

Cape Willoughby (22km)

  • Lowest 2 October, 2025

    7.9 °C

  • Average October

    15 °C

  • Highest 16 October, 2025

    25.8 °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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