Lake Chelan National Recreation Area Weather Forecast

    • 70
    • 88

    Partly Sunny

    • 72
    • 87

    Partly Sunny

    • 68
    • 84

    Slight Chance Thunderstorms

    • 65
    • 77

    Slight Chance Thunderstorms

    • 64
    • 79

    Partly Sunny

    • 61
    • 76

    Slight Chance Rain Showers

    • 61
    • 74

    Mostly Sunny

Today 25 Aug Western Chelan County

Sunny. Highs 92 to 102.

Tonight 25 Aug Western Chelan County

Partly cloudy. Lows in the mid 60s to mid 70s.

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Lake Chelan National Recreation Area Temperature Statistics

August Temperature

Omak Airport (53.4 miles)

  • Lowest 8 August, 2025

    49.6 °F

  • Average August

    74.8 °F

  • Highest 12 August, 2025

    99.6 °F

Climate (2020–Present)

Omak Airport (53.4 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    62.6 °F
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