Benchmark Airport Weather Forecast

    • 39
    • 60

    Decreasing Clouds

    • 44
    • 76

    Partly Sunny

    • 43
    • 70

    Rain Showers Likely

    • 41
    • 66

    Chance Rain

    • 42
    • 70

    Mostly Sunny

    • 42
    • 71

    Partly Sunny

Today 16 Sep Southern Rocky Mountain Front

Mostly sunny. Highs 50 to 58. East Winds up to 10 Mph.

Tonight 16 Sep Southern Rocky Mountain Front

Mostly clear. Lows around 40. Southeast Winds up to 10 Mph shifting to the southwest after midnight.

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Benchmark Airport Temperature Statistics

September Temperature

Missoula, Missoula International Airport (69 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    58.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (69 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
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