Cultus Mountain Weather Forecast

    • 46
    • 50

    Rain

    • 43
    • 50

    Rain

    • 39
    • 44

    Rain Showers

    • 39
    • 46

    Rain Showers Likely

    • 40
    • 50

    Mostly Cloudy

    • 44
    • 53

    Chance Rain

    • 43
    • 56

    Partly Sunny

Today 13 May Foothills and Valleys of the North Cascades

Showers in the Morning, then a chance of Showers late in the morning. Showers in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph. Gusts to 30 Mph.

Tonight 13 May Foothills and Valleys of the North Cascades

Cloudy with Showers likely in the Evening, then mostly cloudy with a chance of Showers after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 40s. Southwest wind 10 to 20 Mph becoming south 10 to 15 Mph after midnight. Gusts to 35 Mph.

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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 11 May, 2026

    44.6 °F

  • Average May

    57.2 °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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