Lake Cavanaugh Weather Forecast

    • 49
    • 76

    Increasing Clouds

    • 39
    • 63

    Rain Showers Likely

    • 41
    • 61

    Partly Sunny

    • 44
    • 67

    Mostly Cloudy

    • 45
    • 66

    Mostly Cloudy

    • 43
    • 62

    Rain Showers Likely

    • 42
    • 56

    Rain Showers Likely

Today 6 May Foothills and Valleys of the North Cascades

Sunny. Highs in the 70s. Light wind becoming south to 10 Mph in the afternoon.

Tonight 6 May Foothills and Valleys of the North Cascades

Mostly cloudy. Lows near 50. West wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Cavanaugh Temperature Statistics

May Temperature

Arlington Municipal Airport (13 miles)

  • Lowest 1 May, 2025

    37.9 °F

  • Average May

    53.7 °F

  • Highest 2 May, 2025

    73 °F

Climate (2020–Present)

Arlington Municipal Airport (13 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.5 °F
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