Cultus Mountain Weather Forecast

    • 42
    • 52

    Mostly Cloudy

    • 44
    • 55

    Increasing Clouds

    • 50
    • 55

    Mostly Cloudy

    • 49
    • 53

    Rain

    • 47
    • 53

    Slight Chance Rain

    • 47
    • 55

    Slight Chance Rain

    • 45
    • 54

    Partly Sunny

Today 26 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid to upper 60s.

Tonight 26 Sep Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. 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 16 September, 2026

    46.4 °F

  • Average September

    58.9 °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

    59.2 °F
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