Burlington Weather Forecast

    • 53
    • 67

    Chance Rain

    • 51
    • 69

    Mostly Cloudy

    • 49
    • 69

    Partly Sunny

    • 51
    • 73

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Cloudy with a chance of rain in the Morning, then mostly cloudy with a slight chance of rain in the late morning and early afternoon. Mostly sunny late in the afternoon. Highs in the 60s to lower 70s. South wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy with a slight chance of rain. Lows in the lower to mid 50s. South wind 10 to 15 Mph with Gusts to 25 Mph.

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Burlington Temperature Statistics

September Temperature

Burlington/Mount Vernon, Skagit Regional Airport (4.3 miles)

  • Lowest 3 September, 2026

    50 °F
  • Average September

    60.6 °F
  • Highest 9 September, 2026

    75.2 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    43.8 °F
  • Average 2021–2026

    51.2 °F
  • Average High 2021–2026

    59.3 °F
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