Okanogan National Forest Weather Forecast

    • 36
    • 46

    Rain Showers

    • 30
    • 40

    Rain Showers

    • 34
    • 43

    Partly Sunny

    • 36
    • 45

    Mostly Cloudy

    • 33
    • 47

    Partly Sunny

    • 37
    • 49

    Partly Sunny

Today 28 Sep Western Okanogan County

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 28 Sep Western Okanogan County

Mostly cloudy. A chance of rain Showers overnight. Lows in the mid to upper 40s. Gusts up to 20 Mph in the evening. Chance of precipitation 50 percent.

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Okanogan National Forest Temperature Statistics

September Temperature

Omak Airport (41 miles)

  • Lowest 26 September, 2026

    37.9 °F

  • Average September

    63.6 °F

  • Highest 21 September, 2026

    86.6 °F

Climate (2021–2026)

Omak Airport (41 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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