Cultus Mountain Weather Forecast

    • 41
    • 51

    Slight Chance Rain Showers

    • 39
    • 52

    Partly Sunny

    • 44
    • 56

    Partly Sunny

    • 54
    • 63

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 50
    • 59

    Mostly Cloudy

    • 48
    • 55

    Mostly Cloudy

Today 29 May Foothills and Valleys of the North Cascades

Cloudy. A chance of Showers until late afternoon. Highs in the upper 50s to mid 60s. Northwest wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 29 May Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. South wind 10 to 15 Mph decreasing to 10 Mph or less after Midnight, Gusts to 30 Mph decreasing to 20 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 16 May, 2026

    42.8 °F

  • Average May

    55.9 °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

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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