Sunset Bay Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 48
    • 70

    Rain

    • 47
    • 59

    Chance Rain

    • 41
    • 62

    Chance Rain

    • 38
    • 51

    Chance Rain

    • 40
    • 54

    Slight Chance Rain

Today 12 May Flathead/Mission Valleys

Mostly sunny. Highs in the mid 70s to lower 80s.

Tonight 12 May Flathead/Mission Valleys

Partly cloudy. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunset Bay Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (34.2 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    53.7 °F

  • Highest 3 May, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.2 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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