Troy Airport Weather Forecast

    • 49
    • 92

    Chance Rain

    • 42
    • 74

    Rain

    • 36
    • 69

    Rain

    • 37
    • 71

    Chance Rain

    • 41
    • 77

    Partly Sunny

    • 43
    • 81

    Chance Rain

Today 1 Sep Kootenai/Cabinet Region

Mostly cloudy. Highs in the mid 80s to lower 90s.

Tonight 1 Sep Kootenai/Cabinet Region

Mostly cloudy. A 40 percent chance of Areas of rain in the evening. Lows in the upper 40s to mid 50s.

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Troy Airport Temperature Statistics

September Temperature

Boundary County Airport (24.2 miles)

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Climate (2021–2026)

Boundary County Airport (24.2 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.7 °F
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