Cultus Mountain Weather Forecast

    • 50
    • 64

    Increasing Clouds

    • 50
    • 63

    Partly Sunny

    • 50
    • 63

    Mostly Sunny

    • 49
    • 60

    Chance Rain

    • 47
    • 56

    Chance Rain

    • 49
    • 57

    Mostly Cloudy

Today 18 Sep Foothills and Valleys of the North Cascades

Sunny. Highs in the 70s. Light wind.

Tonight 18 Sep Foothills and Valleys of the North Cascades

Mostly clear. Lows in the lower 50s. Light wind.

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  • Temperature Real-Time

Cultus Mountain Temperature Statistics

September Temperature

Burlington/Mount Vernon, Skagit Regional Airport (13 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    60 °F

  • Highest 9 September, 2026

    75.2 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (13 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.2 °F
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