Guemes Island Weather Forecast

    • 47
    • 62

    Decreasing Clouds

    • 47
    • 63

    Partly Sunny

    • 49
    • 65

    Mostly Sunny

    • 53
    • 70

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 53
    • 72

    Mostly Cloudy

Today 29 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Cloudy until late afternoon then becoming partly sunny. A slight chance of Showers in the Morning, then a chance of Showers in the late morning and early afternoon. Highs in the upper 50s to mid 60s. West wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 29 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. West wind 10 to 20 Mph becoming south after midnight. Gusts to 30 Mph.

Graph Plots Open in Graphs

  • 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

    55.9 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
Get WillyWeather+ to remove ads