Guemes Island Weather Forecast

    • 49
    • 62

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 50
    • 69

    Partly Sunny

Today 8 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy early in the afternoon then becoming mostly sunny. Highs in the upper 50s to mid 60s. Southwest wind 10 to 15 Mph.

Tonight 8 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Southwest wind to 10 Mph in the evening becoming light.

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Guemes Island Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    46.4 °F

  • Average May

    58.7 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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