Penley Lake Weather Forecast

    • 51
    • 73

    Rain Showers

    • 44
    • 58

    Rain Showers

    • 45
    • 65

    Partly Sunny

    • 47
    • 69

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

Today 12 Sep Okanogan Valley

Mostly cloudy. Highs in the 70s. Gusts up to 20 Mph.

Tonight 12 Sep Okanogan Valley

Mostly cloudy. Rain Showers overnight. Lows in the lower to mid 50s. North wind 5 to 15 Mph with Gusts up to 30 Mph overnight. Chance of precipitation 90 percent. Rainfall Amounts less than a quarter of an inch.

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Penley Lake Temperature Statistics

September Temperature

Omak Airport (11.2 miles)

  • Lowest 6 September, 2026

    46.7 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Omak Airport (11.2 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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