Dyer Island - Southwest Cove Weather Forecast

    • 32
    • 39

    Breezy

    • 19
    • 43

    Breezy

    • 15
    • 25

    Partly Sunny

    • 23
    • 34

    Rain/Snow Likely

    • 19
    • 29

    Mostly Cloudy

    • 22
    • 33

    Chance Rain/Snow

    • 22
    • 36

    Chance Rain

Today 20 Dec Coastal Washington

Partly sunny this Morning, then clearing. Cooler with Highs in the upper 30s. West Winds 15 to 20 Mph. Gusts up to 35 Mph this morning.

Tonight 20 Dec Coastal Washington

Mostly cloudy. A slight chance of rain after midnight. Cold with Lows in the upper 20s. Temperature rising into the upper 30s after midnight. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph, increasing to south 15 to 20 Mph with Gusts up to 40 Mph after midnight. Chance of rain 20 percent.

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Dyer Island - Southwest Cove Temperature Statistics

December Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (27.3 miles)

  • Lowest 9 December, 2025

    -0.9 °F

  • Average December

    25 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (27.3 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    54.8 °F
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