Guemes Island Weather Forecast

    • 49
    • 64

    Slight Chance Rain

    • 51
    • 69

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 47
    • 63

    Mostly Cloudy

    • 46
    • 63

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 26 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. A slight chance of rain in the morning. Highs in the 60s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 26 May Lowlands of Western Skagit and Northwestern Snohomish Counties

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guemes Island Temperature Statistics

May Temperature

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

  • Lowest 16 May, 2026

    42.8 °F

  • Average May

    55.8 °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

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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