Guemes Island Weather Forecast

    • 52
    • 66

    Slight Chance Rain

    • 50
    • 65

    Mostly Cloudy

    • 51
    • 64

    Rain

    • 49
    • 64

    Chance Rain

    • 49
    • 64

    Mostly Cloudy

    • 49
    • 64

    Chance Rain

Today 22 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the morning then becoming mostly sunny. Highs in the 60s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 22 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. A slight chance of rain in the morning. Lows in the upper 40s to mid 50s. South wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Guemes Island Temperature Statistics

September Temperature

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

  • Lowest 16 September, 2026

    46.4 °F

  • Average September

    59.4 °F

  • Highest 9 September, 2026

    75.2 °F

Climate (2021–2026)

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

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

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads