Guemes Island Weather Forecast

    • 55
    • 72

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 54
    • 71

    Mostly Cloudy

    • 55
    • 72

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

Today 13 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind.

Tonight 13 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Guemes Island Temperature Statistics

August Temperature

Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)

  • Lowest 3 August, 2026

    50 °F

  • Average August

    62.5 °F

  • Highest 6 August, 2026

    82.4 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.3 °F
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