Cultus Mountain Weather Forecast

    • 50
    • 54

    Rain

    • 45
    • 52

    Rain

    • 43
    • 53

    Partly Sunny

    • 45
    • 54

    Partly Sunny

    • 48
    • 54

    Chance Rain

    • 47
    • 52

    Rain Likely

    • 47
    • 55

    Chance Rain

Today 24 Sep Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of rain. Highs in the lower to mid 60s.

Tonight 24 Sep Foothills and Valleys of the North Cascades

Cloudy with a chance of rain in the Evening, then rain after midnight. Rainfall Amounts a half inch to one inch possible. 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 16 September, 2026

    46.4 °F

  • Average September

    59.3 °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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