Lewis Lake Weather Forecast

    • 42
    • 60

    Increasing Clouds

    • 47
    • 62

    Chance Rain Showers

    • 48
    • 59

    Rain Showers Likely

    • 47
    • 62

    Chance Rain Showers

    • 47
    • 68

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 44
    • 64

    Mostly Sunny

Today 19 Jul Cascades of Whatcom and Skagit Counties

Partly sunny. Freezing level near 11500 feet.

Tonight 19 Jul Cascades of Whatcom and Skagit Counties

Partly cloudy until early morning then becoming mostly cloudy. Freezing level near 11500 feet.

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Lewis Lake Temperature Statistics

July Temperature

Omak Airport (57.8 miles)

  • Lowest 11 July, 2025

    52.6 °F

  • Average July

    76.9 °F

  • Highest 13 July, 2025

    103.6 °F

Climate (2020–Present)

Omak Airport (57.8 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.7 °F
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