Seguin Island Weather Forecast

    • 56
    • 65

    Mostly Sunny

    • 57
    • 63

    Rain Showers

    • 58
    • 60

    Rain Showers

    • 56
    • 63

    Slight Chance Rain Showers

    • 56
    • 62

    Mostly Sunny

    • 56
    • 63

    Partly Sunny

Today 21 Aug Coastal Washington

Sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming east around 5 Mph this afternoon.

Tonight 21 Aug Coastal Washington

Mostly clear. Lows in the mid 50s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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  • Temperature Real-Time

Seguin Island Temperature Statistics

August Temperature

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

  • Lowest 16 August, 2026

    51.1 °F

  • Average August

    69 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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