Missoula Weather Forecast

    • 37
    • 60

    Slight Chance Rain

    • 41
    • 61

    Mostly Cloudy

    • 42
    • 57

    Rain Likely

    • 41
    • 58

    Chance Rain

    • 42
    • 60

    Chance Rain

    • 44
    • 61

    Chance Rain

Today 28 Sep Missoula/Bitterroot Valleys

Mostly cloudy early in the morning then becoming partly cloudy. Patchy frost early in the morning. A 20 percent chance of rain in the afternoon. Highs near 60. West Winds to 15 Mph in the afternoon.

Tonight 28 Sep Missoula/Bitterroot Valleys

Partly cloudy. Lows in the 30s. Northwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Missoula Temperature Statistics

September Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 20 September, 2023

    38.6 °F

  • Average September

    61.3 °F

  • Highest 2 September, 2023

    88.6 °F

Climate (2010–Present)

Missoula, Missoula International Airport (5 miles)

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  • Average Low 2010–Present

    35.9 °F

  • Average 2010–Present

    47.3 °F

  • Average High 2010–Present

    59.4 °F
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