Boulder Lake Weather Forecast

    • 18
    • 30

    Mostly Sunny

    • 18
    • 29

    Becoming Sunny

    • 17
    • 31

    Sunny

    • 22
    • 30

    Partly Sunny

    • 23
    • 34

    Mostly Cloudy

    • 26
    • 36

    Slight Chance Snow

    • 26
    • 37

    Chance Snow

Today 17 Jan West Slopes North Central Cascades and Passes

Sunny. Freezing level near 1000 feet increasing to 2500 feet in the afternoon. Afternoon pass Temperatures near 30. Light wind in the Passes.

Tonight 17 Jan West Slopes North Central Cascades and Passes

Mostly clear. Freezing level near 1000 feet. Light wind in the Passes.

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Boulder Lake Temperature Statistics

January Temperature

Arlington Municipal Airport (31.7 miles)

  • Lowest 13 January, 2025

    28 °F

  • Average January

    39.6 °F

  • Highest 9 January, 2025

    53.1 °F

Climate (2020–Present)

Arlington Municipal Airport (31.7 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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