Lake Shannon Weather Forecast

    • 62
    • 86

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 54
    • 74

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 56
    • 75

    Partly Sunny

Today 30 Jun Foothills and Valleys of the North Cascades

Sunny. Highs in the upper 70s to mid 80s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 30 Jun Foothills and Valleys of the North Cascades

Mostly clear. Lows in the mid to upper 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Shannon Temperature Statistics

June Temperature

Burlington/Mount Vernon, Skagit Regional Airport (32.9 miles)

  • Lowest 2 June, 2025

    44.6 °F

  • Average June

    58.6 °F

  • Highest 8 June, 2025

    78.8 °F

Climate (2020–Present)

Burlington/Mount Vernon, Skagit Regional Airport (32.9 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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