Penneshaw Weather Forecast

    • 16
    • 24

    Sunny

    • 16
    • 37

    Sunny

    • 23
    • 36

    Sunny

    • 17
    • 24

    Windy

    • 17
    • 26

    Windy

    • 18
    • 29

    Partly cloudy

    • 16
    • 22

    Windy

Today 25 Jan Kangaroo Island

Sunny. Winds southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening. Daytime maximum temperatures 23 to 28.

Investigator Strait Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres inshore.
1st Swell
West to southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A low pressure system and an associated trough lingers through inland parts of SA today. A high pressure system is then expected to move over waters to the south, extending a ridge over southern SA on today and Monday ahead of another trough expected to move into the west on Monday and across the south on Tuesday. The trough weakens on Wednesday as another high pressure system moves into waters south of the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penneshaw Temperature Statistics View More

January Temperature

Cape Willoughby (22km)

  • Lowest 1 January, 2026

    13.7 °C

  • Average January

    18.4 °C

  • Highest 7 January, 2026

    36.5 °C

Climate (2021–Present)

Cape Willoughby (22km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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