Mount Vernon Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 55
    • 79

    Partly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

    • 56
    • 76

    Partly Sunny

Today 17 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s to lower 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 17 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the mid 50s to lower 60s. West wind to 10 Mph in the evening becoming light.

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Mount Vernon Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2025

    46.4 °F

  • Average July

    62.6 °F

  • Highest 13 July, 2025

    82.4 °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

    59.8 °F
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