Troy Airport Weather Forecast

    • 42
    • 73

    Mostly Sunny

    • 45
    • 77

    Partly Sunny

    • 47
    • 79

    Partly Sunny

    • 47
    • 80

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

    • 47
    • 81

    Mostly Sunny

Today 30 Apr Kootenai/Cabinet Region

Sunny. Highs in the upper 60s to mid 70s.

Tonight 30 Apr Kootenai/Cabinet Region

Mostly clear. Lows in the upper 30s to mid 40s.

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Troy Airport Temperature Statistics

April Temperature

Boundary County Airport (24.2 miles)

  • Lowest 8 April, 2026

    26.6 °F

  • Average April

    45 °F

  • Highest 6 April, 2026

    71.6 °F

Climate (2021–Present)

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

    56.8 °F
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