Riverfront Weather Forecast

    • 47
    • 77

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 50
    • 79

    Partly Sunny

    • 49
    • 78

    Partly Sunny

    • 47
    • 76

    Mostly Cloudy

Today 20 Sep Missoula/Bitterroot Valleys

Mostly sunny. Patchy fog early in the morning. Highs in the 70s.

Tonight 20 Sep Missoula/Bitterroot Valleys

Mostly clear. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverfront Temperature Statistics

September Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    58.2 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (5 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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