Cultus Mountain Weather Forecast

    • 50
    • 58

    Mostly Cloudy

    • 49
    • 61

    Chance Rain

    • 50
    • 57

    Chance Rain

    • 48
    • 59

    Partly Sunny

    • 51
    • 63

    Mostly Sunny

    • 55
    • 68

    Mostly Sunny

Today 11 Sep Foothills and Valleys of the North Cascades

Partly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 11 Sep Foothills and Valleys of the North Cascades

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

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  • Temperature Forecast NOAA

  • 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

    60.9 °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

    59.3 °F
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