Cultus Mountain Weather Forecast

    • 53
    • 66

    Mostly Cloudy

    • 48
    • 60

    Partly Sunny

    • 49
    • 57

    Mostly Cloudy

    • 48
    • 59

    Chance Rain

    • 49
    • 60

    Slight Chance Rain

    • 49
    • 61

    Partly Sunny

Today 9 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 9 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. Lows in the lower to mid 50s. Light wind becoming south to 10 Mph after midnight.

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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

    60.7 °F

  • Highest 1 September, 2026

    71.6 °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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