Cultus Mountain Weather Forecast

    • 55
    • 66

    Slight Chance Thunderstorms

    • 57
    • 68

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

    • 54
    • 69

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 52
    • 63

    Partly Sunny

    • 52
    • 65

    Mostly Sunny

Today 21 Jul Foothills and Valleys of the North Cascades

Mostly sunny. A slight chance of Thunderstorms early in the afternoon. A chance of Showers and a slight chance of Thunderstorms late in the afternoon. Highs in the 70s to lower 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 Jul Foothills and Valleys of the North Cascades

Mostly cloudy in the evening then becoming partly cloudy. A chance of Thunderstorms in the evening. A slight chance of Thunderstorms late in the Evening, then a slight chance of Showers after midnight. Lows in the mid to upper 50s. West wind to 10 Mph in the evening becoming light.

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Cultus Mountain Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2025

    46.4 °F

  • Average July

    63.3 °F

  • Highest 16 July, 2025

    87.8 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59.8 °F
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