Riverfront Weather Forecast

    • 45
    • 71

    Increasing Clouds

    • 44
    • 65

    Rain Showers Likely

    • 40
    • 62

    Chance Rain

    • 42
    • 68

    Partly Sunny

    • 41
    • 69

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

Today 12 Sep Missoula/Bitterroot Valleys

Mostly cloudy. Patchy fog early in the morning. Highs near 70.

Tonight 12 Sep Missoula/Bitterroot Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. North Winds to 15 Mph.

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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

    39.9 °F

  • Average September

    59 °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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