Omak Weather Forecast

    • 49
    • 71

    Slight Chance Rain Showers

    • 51
    • 75

    Chance Rain Showers

    • 52
    • 77

    Mostly Cloudy

    • 50
    • 79

    Partly Sunny

    • 52
    • 78

    Partly Sunny

    • 54
    • 83

    Partly Sunny

    • 53
    • 83

    Partly Sunny

Today 4 Sep Okanogan Valley

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

Tonight 4 Sep Okanogan Valley

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

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Omak Temperature Statistics

September Temperature

Omak Airport (3.1 miles)

  • Lowest 1 September, 2026

    50.6 °F

  • Average September

    65.6 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Omak Airport (3.1 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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