Duncan Weather Forecast

    • 18
    • 34

    Cloud clearing

    • 18
    • 25

    Showers easing

    • 11
    • 23

    Partly cloudy

    • 11
    • 26

    Partly cloudy

    • 13
    • 31

    Sunny

    • 13
    • 31

    Mostly sunny

    • 13
    • 27

    Shower or two

Today 16 Feb Kangaroo Island

Partly cloudy. Slight chance of a shower. Winds easterly 15 to 20 km/h turning north to northeasterly 25 to 35 km/h before dawn. Overnight temperatures falling to between 17 and 20 with daytime temperatures reaching the low to mid 30s.

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Duncan Temperature Statistics View More

February Temperature

Kingscote Airport (35km)

  • Lowest 3 February, 2026

    5.7 °C

  • Average February

    18.3 °C

  • Highest 10 February, 2026

    33.5 °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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