Guemes Island Weather Forecast

    • 45
    • 55

    Decreasing Clouds

    • 45
    • 57

    Mostly Sunny

    • 45
    • 57

    Partly Sunny

    • 45
    • 55

    Mostly Cloudy

    • 43
    • 55

    Partly Sunny

    • 44
    • 54

    Chance Rain

    • 44
    • 56

    Slight Chance Rain

Today 19 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the mid to upper 50s.

Tonight 19 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Patchy fog after midnight. Areas of fog late in the night. Lows in the upper 30s to mid 40s. Northwest wind to 10 Mph in the evening becoming light.

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Guemes Island Temperature Statistics

October Temperature

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

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    54 °F

  • Highest 16 October, 2026

    71.6 °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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