Omak Lake Weather Forecast

    • 55
    • 80

    Mostly Cloudy

    • 48
    • 78

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 47
    • 70

    Chance Rain Showers

    • 46
    • 71

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

Today 9 Sep Okanogan Valley

Sunny in the Morning, becoming partly cloudy. Highs in the mid 70s to lower 80s. Gusts up to 20 Mph in the afternoon.

Tonight 9 Sep Okanogan Valley

Mostly cloudy. Lows in the mid to upper 50s. Gusts up to 20 Mph in the evening.

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Omak Lake Temperature Statistics

September Temperature

Omak Airport (13.7 miles)

  • Lowest 6 September, 2026

    46 °F

  • Average September

    63.8 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Omak Airport (13.7 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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