Thornton Lakes Weather Forecast

    • 11
    • 25

    Mostly Sunny

    • 13
    • 25

    Decreasing Clouds

    • 10
    • 26

    Mostly Sunny

    • 18
    • 27

    Partly Sunny

    • 18
    • 29

    Partly Sunny

    • 22
    • 31

    Chance Snow

    • 23
    • 33

    Chance Snow

Today 17 Jan West Slopes North Cascades and Passes

Sunny. Freezing level near 1000 feet increasing to 2000 feet in the afternoon.

Tonight 17 Jan West Slopes North Cascades and Passes

Mostly clear. Freezing level near 1000 feet.

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  • Temperature Real-Time

Thornton Lakes Temperature Statistics

January Temperature

Burlington/Mount Vernon, Skagit Regional Airport (51.6 miles)

  • Lowest 13 January, 2025

    30.2 °F

  • Average January

    40.5 °F

  • Highest 4 January, 2025

    50 °F

Climate (2020–Present)

Burlington/Mount Vernon, Skagit Regional Airport (51.6 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60 °F
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