Cultus Mountain Weather Forecast

    • 45
    • 52

    Rain

    • 46
    • 54

    Mostly Cloudy

    • 50
    • 56

    Mostly Cloudy

    • 48
    • 58

    Partly Sunny

    • 50
    • 61

    Mostly Sunny

    • 52
    • 64

    Partly Sunny

Today 29 Sep Foothills and Valleys of the North Cascades

Rain. Rainfall Amounts a half inch to one inch possible. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph with Gusts to 35 Mph becoming southwest with Gusts to 25 Mph in the afternoon.

Tonight 29 Sep Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of rain in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Mostly cloudy after midnight. Patchy fog in the evening. Patchy fog in the morning. Lows in the 40s. 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 27 September, 2026

    41 °F

  • Average September

    58.3 °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

    59.2 °F
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