Okanogan National Forest Weather Forecast

    • 37
    • 48

    Rain Showers Likely

    • 35
    • 41

    Rain Showers

    • 39
    • 53

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

    • 39
    • 55

    Partly Sunny

Today 14 Sep Western Okanogan County

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

Tonight 14 Sep Western Okanogan County

Mostly cloudy with a 20 percent chance of rain Showers. Lows in the mid 40s to lower 50s.

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Okanogan National Forest Temperature Statistics

September Temperature

Omak Airport (41 miles)

  • Lowest 6 September, 2026

    46.7 °F

  • Average September

    64.6 °F

  • Highest 10 September, 2026

    85.6 °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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