Guemes Island Weather Forecast

    • 55
    • 80

    Patchy Smoke

    • 55
    • 72

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

    • 52
    • 69

    Chance Rain

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 69

    Chance Rain

Today 25 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Patchy smoke through the day. Highs in the upper 70s to mid 80s. Light wind.

Tonight 25 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Patchy fog in the morning. Lows in the 50s. Southwest wind to 10 Mph becoming south after midnight.

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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

    62.7 °F

  • Highest 6 August, 2026

    82.4 °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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