Duncan Weather Forecast

    • 13
    • 23

    Shower or two. Windy

    • 11
    • 15

    Showers. Becoming windy

    • 10
    • 17

    Showers

    • 9
    • 16

    Cloudy

    • 8
    • 17

    Showers

    • 7
    • 13

    Possible shower

    • 9
    • 16

    Shower or two

Today 2 May Kangaroo Island

Partly cloudy. High chance of showers in the west, medium chance elsewhere. The chance of a thunderstorm in the west. Winds northwesterly 30 to 45 km/h decreasing to 25 to 35 km/h in the evening.

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Duncan Temperature Statistics View More

May Temperature

Kingscote Airport (35km)

  • Lowest 1 May, 2026

    15.9 °C

  • Average May

    20.3 °C

  • Highest

    –

Climate (2021–Present)

Kingscote Airport (35km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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