Guemes Island Weather Forecast

    • 53
    • 71

    Increasing Clouds

    • 56
    • 71

    Slight Chance Rain

    • 52
    • 71

    Rain

    • 50
    • 67

    Chance Rain Showers

    • 51
    • 68

    Mostly Cloudy

    • 52
    • 69

    Partly Sunny

Today 31 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 31 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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Guemes Island Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    50 °F

  • Average August

    62.8 °F

  • Highest 25 August, 2026

    86 °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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