Glacier Lake Weather Forecast

    • 43
    • 69

    Rain Showers

    • 39
    • 56

    Chance Rain

    • 39
    • 58

    Rain Showers

    • 35
    • 48

    Rain Showers

    • 34
    • 48

    Slight Chance Rain

    • 37
    • 53

    Partly Sunny

    • 39
    • 56

    Partly Sunny

Today 10 Sep Potomac/Seeley Lake Region

Mostly sunny. Highs in the 70s. West Winds to 15 Mph with Gusts to around 30 Mph in the afternoon.

Tonight 10 Sep Potomac/Seeley Lake Region

Areas of rain in the Evening, then rain Showers likely and a slight chance of Thunderstorms after midnight. Chance of precipitation near 100 percent. Lows in the 40s. West Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glacier Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (33.6 miles)

  • Lowest 8 September, 2026

    42.1 °F

  • Average September

    58.9 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (33.6 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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