Omak Weather Forecast

    • 53
    • 81

    Decreasing Clouds

    • 53
    • 82

    Mostly Sunny

    • 53
    • 82

    Partly Sunny

    • 51
    • 78

    Partly Sunny

    • 50
    • 74

    Mostly Cloudy

    • 52
    • 75

    Mostly Cloudy

Today 19 Sep Okanogan Valley

Partly cloudy. Highs in the mid 70s to lower 80s.

Tonight 19 Sep Okanogan Valley

Partly cloudy. Lows in the lower to mid 50s.

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Omak Temperature Statistics

September Temperature

Omak Airport (3.1 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    63.6 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Omak Airport (3.1 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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