Duncan Airport Weather Forecast

    • 44
    • 73

    Slight Chance Rain Showers

    • 42
    • 67

    Chance Rain

    • 40
    • 57

    Rain

    • 38
    • 53

    Rain

    • 39
    • 61

    Chance Rain

    • 35
    • 62

    Chance Rain Showers

    • 37
    • 63

    Chance Rain

Today 24 Apr Upper Blackfoot and MacDonald Pass

Sunny. Highs 60 to 65. West Winds 5 to 15 Mph.

Tonight 24 Apr Upper Blackfoot and MacDonald Pass

Mostly cloudy. A 20 percent chance of rain Showers in the evening. Lows 35 to 40. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncan Airport Temperature Statistics

April Temperature

Helena Regional Airport (8.7 miles)

  • Lowest 20 April, 2024

    21.8 °F

  • Average April

    47.1 °F

  • Highest 12 April, 2024

    78.7 °F

Climate (2019–Present)

Helena Regional Airport (8.7 miles)

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  • Average Low 2019–2024

    35.9 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    58.4 °F
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