Lake Shannon Weather Forecast

    • 38
    • 45

    Rain

    • 36
    • 51

    Rain Likely

    • 35
    • 46

    Rain Likely

    • 38
    • 53

    Chance Rain

    • 38
    • 53

    Partly Sunny

    • 41
    • 57

    Mostly Cloudy

Today 28 Oct Foothills and Valleys of the North Cascades

Rain at Times in the Morning, then rain likely early in the afternoon. A chance of rain late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the mid 40s to lower 50s. Light wind.

Tonight 28 Oct Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of rain. Lows in the 30s. East wind to 10 Mph with Gusts to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Shannon Temperature Statistics

October Temperature

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

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    51.9 °F

  • Highest 16 October, 2026

    71.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.2 °F
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