Chuckanut Mountain Weather Forecast

    • 48
    • 65

    Slight Chance Rain

    • 50
    • 71

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 50
    • 71

    Partly Sunny

Today 15 Sep Foothills and Valleys of the North Cascades

Patchy fog in the morning. Mostly cloudy with a slight chance of Showers. Highs in the 60s to lower 70s. Light wind.

Tonight 15 Sep Foothills and Valleys of the North Cascades

Mostly clear. Lows in the mid 40s to lower 50s. Light wind becoming north to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chuckanut Mountain Temperature Statistics

September Temperature

Burlington/Mount Vernon, Skagit Regional Airport (10.6 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    60.2 °F

  • Highest 9 September, 2026

    75.2 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (10.6 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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