Saint Mary Lake Weather Forecast

    • 36
    • 50

    Chance Rain/Snow

    • 41
    • 57

    Mostly Sunny

    • 45
    • 65

    Sunny

    • 44
    • 69

    Chance Rain Showers

    • 36
    • 52

    Chance Rain Showers

    • 37
    • 53

    Mostly Sunny

    • 42
    • 61

    Mostly Sunny

Today 30 Apr East Glacier Park Region

Patchy fog in the morning. Mostly cloudy with a 50 percent chance of snow Showers and rain Showers. Highs 40 to 50. West Winds 5 to 15 Mph.

Tonight 30 Apr East Glacier Park Region

Partly cloudy. Lows 30 to 35. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

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Saint Mary Lake Temperature Statistics

April Temperature

Kalispell, Glacier Park International Airport (45.4 miles)

  • Lowest 18 April, 2025

    17.9 °F

  • Average April

    43.3 °F

  • Highest 15 April, 2025

    70.6 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (45.4 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    56.5 °F
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