Guemes Island Weather Forecast

    • 56
    • 76

    Partly Sunny

    • 58
    • 79

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 54
    • 72

    Partly Sunny

Today 20 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 20 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s to lower 60s. Light wind.

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Guemes Island Temperature Statistics

July Temperature

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

  • Lowest 2 July, 2026

    46.4 °F

  • Average July

    60.9 °F

  • Highest 6 July, 2026

    78.8 °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

    51.3 °F

  • Average High 2021–2026

    59.4 °F
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