Cultus Mountain Weather Forecast

    • 48
    • 57

    Chance Rain

    • 51
    • 63

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

    • 49
    • 62

    Mostly Cloudy

    • 48
    • 57

    Chance Rain

    • 49
    • 60

    Slight Chance Rain

Today 7 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. A chance of rain in the Morning, then a slight chance of rain early in the afternoon. Highs in the mid 60s to lower 70s. South wind to 10 Mph with Gusts to 20 Mph in the morning becoming light.

Tonight 7 Sep Foothills and Valleys of the North Cascades

Mostly cloudy in the evening then becoming partly cloudy. Lows near 50. 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 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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