Boulder Lake Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 50
    • 67

    Chance Rain

    • 48
    • 53

    Chance Rain

    • 47
    • 51

    Chance Rain

    • 47
    • 50

    Slight Chance Rain Showers

    • 51
    • 56

    Partly Sunny

    • 57
    • 66

    Partly Sunny

Today 4 Aug West Slopes North Cascades and Passes

Sunny, haze. Freezing level near 14000 feet.

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Boulder Lake Temperature Statistics

August Temperature

Arlington Municipal Airport (39.8 miles)

  • Lowest 2 August, 2021

    54 °F
  • Average August

    65.1 °F
  • Highest 2 August, 2021

    81 °F

Climate (2010–Present)

Arlington Municipal Airport (39.8 miles)

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  • Average Low 2010–Present

    42.5 °F
  • Average 2010–Present

    50.3 °F
  • Average High 2010–Present

    60 °F
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