Cultus Mountain Weather Forecast

    • 50
    • 56

    Rain

    • 46
    • 52

    Rain

    • 46
    • 55

    Partly Sunny

    • 49
    • 58

    Mostly Cloudy

    • 48
    • 57

    Partly Sunny

    • 49
    • 58

    Partly Sunny

Today 28 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the 60s. Light wind.

Tonight 28 Sep Foothills and Valleys of the North Cascades

A slight chance of rain late in the evening. A chance of rain after Midnight, then rain at Times in the morning. Rainfall Amounts a quarter to a half inch possible. Lows near 50. South wind 10 to 15 Mph with Gusts to 25 Mph becoming southeast 10 to 20 Mph with Gusts to 40 Mph after midnight.

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Cultus Mountain Temperature Statistics

September Temperature

Burlington/Mount Vernon, Skagit Regional Airport (13 miles)

  • Lowest 16 September, 2026

    46.4 °F

  • Average September

    58.6 °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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