Whitefish Weather Forecast

    • 35
    • 59

    Increasing Clouds

    • 38
    • 61

    Chance Rain Showers

    • 38
    • 62

    Chance Rain Showers

    • 41
    • 64

    Chance Rain

    • 42
    • 67

    Chance Rain Showers

    • 43
    • 71

    Partly Sunny

Today 18 May Flathead/Mission Valleys

Mostly sunny. Widespread frost in the morning. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 50s to lower 60s.

Tonight 18 May Flathead/Mission Valleys

Mostly cloudy with a 20 percent chance of rain Showers in the Evening, then partly cloudy after midnight. Areas of frost after midnight. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitefish Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (8.1 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    53.8 °F

  • Highest 12 May, 2026

    76.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (8.1 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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