Cultus Mountain Weather Forecast

    • 53
    • 69

    Gradual Clearing

    • 52
    • 67

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 55
    • 66

    Partly Sunny

    • 59
    • 71

    Mostly Sunny

Today 8 Aug Foothills and Valleys of the North Cascades

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 70s to lower 80s. Light wind.

Tonight 8 Aug Foothills and Valleys of the North Cascades

Mostly clear. Lows in the lower to mid 50s. Light wind.

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Cultus Mountain Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    50 °F

  • Average August

    62.8 °F

  • Highest 6 August, 2026

    82.4 °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

    51.3 °F

  • Average High 2021–2026

    59.3 °F
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