Costich Lake Weather Forecast

    • 58
    • 92

    Mostly Sunny

    • 56
    • 89

    Chance Rain

    • 54
    • 87

    Partly Sunny

    • 56
    • 89

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

    • 58
    • 90

    Partly Sunny

    • 60
    • 93

    Partly Sunny

Today 7 Jul Kootenai/Cabinet Region

Mostly sunny. Highs in the upper 80s to mid 90s.

Tonight 7 Jul Kootenai/Cabinet Region

Mostly clear. Lows in the 50s to lower 60s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Costich Lake Temperature Statistics

July Temperature

Kalispell, Glacier Park International Airport (52.8 miles)

  • Lowest 5 July, 2026

    41 °F

  • Average July

    63.2 °F

  • Highest 4 July, 2026

    83.6 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (52.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads