Upper Waterton Lake Weather Forecast

    • 25
    • 45

    Decreasing Clouds

    • 37
    • 49

    Partly Sunny

    • 34
    • 52

    Rain Likely

    • 27
    • 46

    Partly Sunny

    • 30
    • 44

    Chance Rain/Snow

    • 32
    • 47

    Slight Chance Rain

    • 36
    • 51

    Mostly Cloudy

Today 30 Oct East Glacier Park Region

Partly cloudy early in the morning then clearing. Highs 30 to 40. Southwest Winds up to 10 Mph.

Tonight 30 Oct East Glacier Park Region

Partly cloudy. Lows 20 to 25. Southwest Winds up to 10 Mph.

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  • Temperature Real-Time

Upper Waterton Lake Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (49.1 miles)

  • Lowest 18 October, 2025

    23 °F

  • Average October

    43.5 °F

  • Highest 9 October, 2025

    73.9 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (49.1 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    56.9 °F
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