Lewis Lake Weather Forecast

    • 36
    • 54

    Partly Sunny

    • 39
    • 55

    Mostly Cloudy

    • 38
    • 56

    Slight Chance Thunderstorms

    • 40
    • 61

    Sunny

    • 40
    • 63

    Sunny

    • 39
    • 62

    Mostly Sunny

Today 30 Apr Cascades of Whatcom and Skagit Counties

Sunny until late afternoon then becoming partly sunny. Freezing level near 9000 feet.

Tonight 30 Apr Cascades of Whatcom and Skagit Counties

Partly cloudy. Freezing level near 9500 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Lake Temperature Statistics

April Temperature

Omak Airport (57.8 miles)

  • Lowest 16 April, 2026

    23.6 °F

  • Average April

    49.8 °F

  • Highest 6 April, 2026

    74.6 °F

Climate (2021–Present)

Omak Airport (57.8 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.9 °F
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