Seguin Island Weather Forecast

    • 52
    • 62

    Sunny

    • 54
    • 60

    Mostly Sunny

    • 56
    • 60

    Chance Rain Showers

    • 50
    • 65

    Mostly Sunny

    • 53
    • 58

    Partly Sunny

    • 53
    • 62

    Mostly Cloudy

Today 11 Sep Coastal Washington

Sunny. Highs in the upper 60s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 11 Sep Coastal Washington

Clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seguin Island Temperature Statistics

September Temperature

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

  • Lowest 9 September, 2026

    44.1 °F

  • Average September

    60.6 °F

  • Highest 4 September, 2026

    77 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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