Costich Lake Weather Forecast

    • 28
    • 46

    Decreasing Clouds

    • 31
    • 46

    Slight Chance Rain

    • 33
    • 45

    Chance Rain

    • 36
    • 46

    Rain Likely

    • 33
    • 47

    Rain/Snow Likely

    • 23
    • 45

    Rain/Snow Likely

Today 19 Nov Kootenai/Cabinet Region

Mostly cloudy with a 40 percent chance of Areas of rain and snow early in the Morning, then mostly sunny in the late morning and afternoon. Patchy fog early in the morning. Areas of fog late in the Morning, then patchy fog early in the afternoon. Highs in the 40s.

Tonight 19 Nov Kootenai/Cabinet Region

Partly cloudy. Patchy fog. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costich Lake Temperature Statistics

November Temperature

Kalispell, Glacier Park International Airport (52.8 miles)

  • Lowest 10 November, 2025

    23 °F

  • Average November

    40.1 °F

  • Highest 11 November, 2025

    54 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (52.8 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    57 °F
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