Lake Cavanaugh Weather Forecast

    • 51
    • 74

    Decreasing Clouds

    • 55
    • 77

    Slight Chance Rain Showers

    • 55
    • 79

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 51
    • 76

    Partly Sunny

Today 20 Jul Foothills and Valleys of the North Cascades

Mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind.

Tonight 20 Jul Foothills and Valleys of the North Cascades

Partly cloudy. A slight chance of Showers in the evening. Lows in the lower to mid 50s. Light wind.

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  • Temperature Real-Time

Lake Cavanaugh Temperature Statistics

July Temperature

Arlington Municipal Airport (13 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    65.2 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (13 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.7 °F
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