Willoughby Weather Forecast

    • 15
    • 20

    Shower

    • 11
    • 16

    Shower

    • 10
    • 16

    Cloudy

    • 11
    • 19

    Sunny

    • 11
    • 17

    Shower

    • 10
    • 15

    Shower

    • 10
    • 16

    Shower

Today 15 Sep Kangaroo Island

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds northwesterly 25 to 40 km/h turning westerly 25 to 35 km/h in the evening.

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Willoughby Temperature Statistics View More

September Temperature

Cape Willoughby (4km)

  • Lowest 1 September, 2025

    8.8 °C

  • Average September

    13.1 °C

  • Highest 6 September, 2025

    23.9 °C

Climate (2020–Present)

Cape Willoughby (4km)

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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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