Colville National Forest Weather Forecast

    • 49
    • 71

    Mostly Sunny

    • 50
    • 75

    Sunny

    • 51
    • 75

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

    • 46
    • 67

    Partly Sunny

    • 41
    • 62

    Slight Chance Rain Showers

    • 44
    • 61

    Mostly Sunny

Today 16 Sep Northeast Mountains

Sunny. Highs in the upper 70s to lower 80s.

Tonight 16 Sep Northeast Mountains

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

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Colville National Forest Temperature Statistics

September Temperature

Deer Park, Deer Park Airport (47.8 miles)

  • Lowest 13 September, 2025

    46 °F

  • Average September

    70.4 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Deer Park, Deer Park Airport (47.8 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    60 °F
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