Missoula Weather Forecast

    • 34
    • 59

    Becoming Sunny

    • 39
    • 67

    Sunny

    • 41
    • 75

    Sunny

    • 42
    • 75

    Sunny

    • 44
    • 75

    Mostly Sunny

    • 44
    • 76

    Mostly Sunny

Today 27 Sep Missoula/Bitterroot Valleys

Partly cloudy. A 30 percent chance of rain in the morning. Highs in the mid to upper 50s.

Tonight 27 Sep Missoula/Bitterroot Valleys

Clear. Areas of frost after midnight. Lows in the lower to mid 30s.

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  • Temperature Forecast NOAA

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Missoula Temperature Statistics

September Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 8 September, 2020

    33.1 °F
  • Average September

    59.3 °F
  • Highest 5 September, 2020

    95 °F

Climate (2010–Present)

Missoula, Missoula International Airport (5 miles)

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  • Average Low 2010–Present

    35.6 °F
  • Average 2010–Present

    46.2 °F
  • Average High 2010–Present

    57.7 °F
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