Guemes Island Weather Forecast

    • 52
    • 70

    Decreasing Clouds

    • 53
    • 70

    Partly Sunny

    • 55
    • 73

    Chance Rain

    • 52
    • 69

    Chance Rain

    • 50
    • 68

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

Today 29 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 29 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Patchy fog in the morning. Lows in the upper 40s to mid 50s. West wind to 10 Mph becoming southeast after midnight.

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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

    62.6 °F

  • Highest 22 July, 2026

    87.8 °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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