Cultus Mountain Weather Forecast

    • 45
    • 71

    Rain Likely

    • 45
    • 50

    Rain

    • 43
    • 50

    Rain Likely

    • 39
    • 46

    Rain Showers

    • 39
    • 47

    Chance Rain

    • 42
    • 51

    Mostly Cloudy

Today 12 May Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the upper 70s to mid 80s. Light wind.

Tonight 12 May Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain late in the evening. A chance of rain after Midnight, then rain likely in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows near 50. West wind to 10 Mph becoming south with Gusts to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cultus Mountain Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    46.4 °F

  • Average May

    57.4 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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