Preacher Mountain Weather Forecast

    • 59
    • 76

    Increasing Clouds

    • 61
    • 80

    Mostly Sunny

    • 64
    • 83

    Mostly Cloudy

    • 56
    • 77

    Chance Rain

    • 53
    • 67

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

Today 19 Aug Kootenai/Cabinet Region

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

Tonight 19 Aug Kootenai/Cabinet Region

Mostly cloudy in the evening then clearing. Lows in the upper 40s to mid 50s.

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Preacher Mountain Temperature Statistics

August Temperature

Boundary County Airport (23 miles)

  • Lowest 3 August, 2026

    44.6 °F

  • Average August

    67.6 °F

  • Highest 7 August, 2026

    93.2 °F

Climate (2021–2026)

Boundary County Airport (23 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.6 °F
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