Libby Airport Weather Forecast

    • 45
    • 80

    Mostly Sunny

    • 45
    • 81

    Mostly Sunny

    • 47
    • 83

    Mostly Sunny

    • 47
    • 81

    Partly Sunny

    • 44
    • 75

    Partly Sunny

    • 45
    • 72

    Partly Sunny

    • 43
    • 70

    Mostly Cloudy

Today 19 Sep Kootenai/Cabinet Region

Mostly cloudy with a 20 percent chance of rain. Highs in the 60s.

Tonight 19 Sep Kootenai/Cabinet Region

Mostly clear. Lows in the 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Libby Airport Temperature Statistics

September Temperature

Boundary County Airport (47.8 miles)

  • Lowest 17 September, 2026

    41 °F

  • Average September

    57 °F

  • Highest 1 September, 2026

    78.8 °F

Climate (2021–2026)

Boundary County Airport (47.8 miles)

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

  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.6 °F
Get WillyWeather+ to remove ads