East Missoula Weather Forecast

    • 46
    • 72

    Slight Chance Thunderstorms

    • 47
    • 77

    Becoming Sunny

    • 50
    • 80

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 49
    • 78

    Partly Sunny

    • 49
    • 78

    Partly Sunny

    • 47
    • 76

    Mostly Cloudy

Today 19 Sep Potomac/Seeley Lake Region

Mostly cloudy. A 20 percent chance of rain in the morning. Highs in the upper 50s to mid 60s.

Tonight 19 Sep Potomac/Seeley Lake Region

Mostly cloudy early in the evening then becoming partly cloudy. Patchy fog late in the night. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East Missoula Temperature Statistics

September Temperature

Missoula, Missoula International Airport (7.5 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 (7.5 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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