Duncan Weather Forecast

    • 11
    • 24

    Mostly clear

    • 12
    • 27

    Cloud clearing

    • 12
    • 30

    Sunny

    • 13
    • 33

    Sunny

    • 19
    • 27

    Showers

    • 12
    • 21

    Partly cloudy

    • 11
    • 26

    Partly cloudy

Today 18 Feb Kangaroo Island

Partly cloudy. Slight chance of a shower in the west, near zero chance elsewhere. Winds westerly 20 to 30 km/h becoming light in the late evening. Daytime maximum temperatures in the low to mid 20s.

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  • Temperature Forecast Bureau of Meteorology

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Duncan Temperature Statistics View More

February Temperature

Kingscote Airport (35km)

  • Lowest 3 February, 2026

    5.7 °C

  • Average February

    19.2 °C

  • Highest 16 February, 2026

    35.9 °C

Climate (2021–Present)

Kingscote Airport (35km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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