Seguin Island Weather Forecast

    • 54
    • 62

    Increasing Clouds

    • 53
    • 59

    Rain Likely

    • 52
    • 59

    Rain

    • 52
    • 56

    Rain

    • 52
    • 58

    Chance Rain Showers

    • 52
    • 59

    Mostly Cloudy

Today 25 Sep Coastal Washington

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Sep Coastal Washington

Cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Seguin Island Temperature Statistics

September Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (41 miles)

  • Lowest 20 September, 2026

    41 °F

  • Average September

    58.8 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Bar Harbor, Hancock County-Bar Harbor Airport (41 miles)

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

  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
Get WillyWeather+ to remove ads