Guemes Island Weather Forecast

    • 52
    • 69

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 51
    • 69

    Mostly Sunny

    • 51
    • 67

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 52
    • 68

    Chance Rain

Today 16 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

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 16 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 40s to mid 50s. Northwest 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 3 September, 2026

    50 °F

  • Average September

    60.2 °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

    59.3 °F
Get WillyWeather+ to remove ads