Libby Airport Weather Forecast

    • 30
    • 64

    Decreasing Clouds

    • 34
    • 67

    Mostly Sunny

    • 42
    • 66

    Mostly Cloudy

    • 39
    • 66

    Partly Sunny

    • 39
    • 68

    Partly Sunny

    • 38
    • 67

    Partly Sunny

Today 27 Sep Kootenai/Cabinet Region

Mostly cloudy. Areas of fog in the morning. Highs in the upper 50s to mid 60s.

Tonight 27 Sep Kootenai/Cabinet Region

Mostly clear. Lows in the upper 20s to mid 30s.

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Libby Airport Temperature Statistics

September Temperature

Boundary County Airport (47.8 miles)

  • Lowest 17 September, 2026

    41 °F

  • Average September

    57.9 °F

  • Highest 21 September, 2026

    80.6 °F

Climate (2021–2026)

Boundary County Airport (47.8 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.7 °F
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