Mount Vernon Weather Forecast

    • 49
    • 54

    Chance Rain

    • 49
    • 58

    Rain

    • 50
    • 55

    Rain

    • 45
    • 59

    Rain

    • 40
    • 52

    Rain

    • 39
    • 47

    Rain

Today 12 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Patchy fog in the morning. Cloudy with a chance of rain. Highs in the lower to mid 50s. Light wind.

Tonight 12 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows in the mid 40s to lower 50s. Southeast wind to 10 Mph.

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Mount Vernon Temperature Statistics

December Temperature

Burlington/Mount Vernon, Skagit Regional Airport (5 miles)

  • Lowest 1 December, 2025

    33.8 °F

  • Average December

    46 °F

  • Highest 10 December, 2025

    55.4 °F

Climate (2020–Present)

Burlington/Mount Vernon, Skagit Regional Airport (5 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59.7 °F
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