Cultus Mountain Weather Forecast

    • 44
    • 53

    Rain Showers Likely

    • 41
    • 52

    Mostly Cloudy

    • 44
    • 55

    Partly Sunny

    • 48
    • 55

    Rain Likely

    • 47
    • 51

    Rain Likely

    • 47
    • 54

    Chance Rain

    • 44
    • 51

    Chance Rain

Today 25 Sep Foothills and Valleys of the North Cascades

Partly sunny. A slight chance of rain in the morning. Highs in the lower 60s.

Tonight 25 Sep Foothills and Valleys of the North Cascades

Showers and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of rain after midnight. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 40s. South wind 10 to 20 Mph. Gusts to 30 Mph.

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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

    59.2 °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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