Riverfront Weather Forecast

    • 52
    • 75

    Rain Showers Likely

    • 48
    • 72

    Chance Rain Showers

    • 50
    • 78

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 48
    • 76

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

Today 18 Sep Missoula/Bitterroot Valleys

Mostly cloudy. Slight chance of rain Showers in the Morning, then chance of Showers and Thunderstorms in the afternoon. Patchy fog in the morning. Chance of precipitation 50 percent. Highs in the upper 60s to mid 70s.

Tonight 18 Sep Missoula/Bitterroot Valleys

Rain Showers likely and a slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Patchy fog after midnight. Chance of precipitation 70 percent. Lows near 50.

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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

    58.3 °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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