Cultus Mountain Weather Forecast

    • 44
    • 53

    Decreasing Clouds

    • 46
    • 58

    Partly Sunny

    • 49
    • 62

    Partly Sunny

    • 49
    • 62

    Partly Sunny

    • 47
    • 59

    Partly Sunny

    • 45
    • 56

    Chance Rain

Today 19 May Foothills and Valleys of the North Cascades

Mostly cloudy. A slight chance of rain late in the morning. Highs in the 60s. South wind to 10 Mph.

Tonight 19 May Foothills and Valleys of the North Cascades

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog in the morning. Lows in the 40s. West wind to 10 Mph in the evening becoming light.

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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

    55.7 °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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