Milltown Weather Forecast

    • 48
    • 66

    Slight Chance Rain Showers

    • 50
    • 78

    Mostly Sunny

    • 51
    • 83

    Sunny

    • 51
    • 86

    Mostly Sunny

    • 53
    • 85

    Partly Sunny

    • 53
    • 85

    Partly Sunny

Today 15 Sep Potomac/Seeley Lake Region

Mostly cloudy with a 50 percent chance of rain Showers. Cooler. Highs in the upper 50s to mid 60s.

Tonight 15 Sep Potomac/Seeley Lake Region

Mostly cloudy. A 20 percent chance of rain after midnight. Areas of fog after midnight. Lows in the 40s.

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Milltown Temperature Statistics

September Temperature

Missoula, Missoula International Airport (10.6 miles)

  • Lowest 13 September, 2025

    46.9 °F

  • Average September

    67.3 °F

  • Highest 2 September, 2025

    96.1 °F

Climate (2020–Present)

Missoula, Missoula International Airport (10.6 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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