Riverfront Weather Forecast

    • 41
    • 66

    Becoming Sunny

    • 45
    • 76

    Mostly Sunny

    • 47
    • 80

    Rain Likely

    • 42
    • 67

    Chance Rain

    • 39
    • 63

    Rain Likely

    • 37
    • 58

    Chance Rain

Today 8 Sep Missoula/Bitterroot Valleys

Mostly cloudy. A 20 percent chance of rain until late afternoon. Areas of fog early in the morning. Patchy fog late in the morning. Highs in the lower to mid 60s.

Tonight 8 Sep Missoula/Bitterroot Valleys

Mostly clear. Patchy fog after midnight. Lows in the mid 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverfront Temperature Statistics

September Temperature

Missoula, Missoula International Airport (5 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    60.1 °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

    59.8 °F
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