Preacher Mountain Weather Forecast

    • 54
    • 73

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 46
    • 59

    Partly Sunny

    • 49
    • 61

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

Today 17 Sep Kootenai/Cabinet Region

Mostly sunny. Areas of fog early in the morning. Highs in the 80s.

Tonight 17 Sep Kootenai/Cabinet Region

Mostly clear. Lows in the mid 40s to lower 50s.

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Preacher Mountain Temperature Statistics

September Temperature

Boundary County Airport (23 miles)

  • Lowest 9 September, 2025

    50 °F

  • Average September

    68.1 °F

  • Highest 2 September, 2025

    95 °F

Climate (2020–Present)

Boundary County Airport (23 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.4 °F
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