Libby Airport Weather Forecast

    • 41
    • 68

    Chance Rain

    • 44
    • 82

    Mostly Sunny

    • 45
    • 87

    Sunny

    • 47
    • 88

    Partly Sunny

    • 47
    • 88

    Mostly Sunny

    • 47
    • 87

    Slight Chance Thunderstorms

Today 15 Sep Kootenai/Cabinet Region

Rain Showers likely and a slight chance of Thunderstorms through the day. Patchy fog in the morning. Chance of precipitation 70 percent. Highs in the 60s to lower 70s.

Tonight 15 Sep Kootenai/Cabinet Region

Mostly cloudy with a 20 percent chance of rain Showers in the Evening, then partly cloudy after midnight. Patchy fog through the night. Lows in the 40s.

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Libby Airport Temperature Statistics

September Temperature

Boundary County Airport (47.8 miles)

  • Lowest 9 September, 2025

    50 °F

  • Average September

    69.6 °F

  • Highest 2 September, 2025

    95 °F

Climate (2020–Present)

Boundary County Airport (47.8 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.5 °F
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