Duncan Weather Forecast

    • 9
    • 15

    Shower or two

    • 8
    • 16

    Shower or two

    • 6
    • 19

    Possible shower

    • 10
    • 22

    Showers. Storm clearing

    • 12
    • 18

    Shower or two

    • 8
    • 13

    Shower or two

    • 7
    • 13

    Cloudy

Today 22 Oct Kangaroo Island

Cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds west to northwesterly 25 to 40 km/h turning southwesterly 30 to 45 km/h early in the 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.

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Duncan Temperature Statistics View More

October Temperature

Kingscote Airport (35km)

  • Lowest 15 October, 2025

    1.6 °C

  • Average October

    14.4 °C

  • Highest 16 October, 2025

    27.6 °C

Climate (2020–Present)

Kingscote Airport (35km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21.1 °C
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