Okanogan National Forest Weather Forecast

    • 37
    • 47

    Mostly Cloudy

    • 40
    • 55

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 36
    • 51

    Partly Sunny

    • 35
    • 45

    Chance Rain/Snow

    • 34
    • 43

    Chance Rain/Snow

Today 7 Sep Western Okanogan County

Mostly cloudy. A chance of rain Showers in the afternoon. Highs in the upper 60s to mid 70s. Chance of precipitation 20 percent.

Tonight 7 Sep Western Okanogan County

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

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Okanogan National Forest Temperature Statistics

September Temperature

Omak Airport (41 miles)

  • Lowest 1 September, 2026

    50.6 °F

  • Average September

    64.6 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Omak Airport (41 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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