Harpswell Sound - Merriman Cove Weather Forecast

Today 10 Sep Coastal Cumberland

Mostly sunny. Highs in the mid 80s. West Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 10 Sep Coastal Cumberland

Partly cloudy. Lows in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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Harpswell Sound - Merriman Cove Temperature Statistics

September Temperature

Wiscasset Airport (17.4 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    66.1 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Wiscasset Airport (17.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58.1 °F
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