Harrison Lake Weather Forecast

    • 34
    • 53

    Mostly Sunny

    • 41
    • 62

    Partly Sunny

    • 41
    • 60

    Rain Likely

    • 39
    • 50

    Rain

    • 38
    • 49

    Rain

    • 34
    • 45

    Chance Rain/Snow

    • 27
    • 42

    Rain/Snow Likely

Today 9 Apr West Glacier Region

Sunny. Highs in the upper 40s to mid 50s.

Tonight 9 Apr West Glacier Region

Mostly clear. Lows in the upper 20s to mid 30s. East Winds to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrison Lake Temperature Statistics

April Temperature

Kalispell, Glacier Park International Airport (26.7 miles)

  • Lowest 4 April, 2026

    22.6 °F

  • Average April

    44.7 °F

  • Highest 6 April, 2026

    67.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (26.7 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.1 °F
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