Harpswell Weather Forecast

    • 34
    • 40

    Increasing Clouds

    • 34
    • 42

    Chance Rain

    • 17
    • 40

    Chance Snow

    • 19
    • 27

    Partly Sunny

    • 25
    • 35

    Mostly Cloudy

    • 20
    • 36

    Chance Rain/Snow

Today 13 Jan Coastal Cumberland

Mostly sunny. Highs around 40. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 13 Jan Coastal Cumberland

Cloudy. A slight chance of rain Showers after midnight. Lows in the lower 30s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Harpswell Temperature Statistics

January Temperature

Wiscasset Airport (17.4 miles)

  • Lowest 2 January, 2026

    1.9 °F

  • Average January

    24.1 °F

  • Highest 10 January, 2026

    46 °F

Climate (2021–Present)

Wiscasset Airport (17.4 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.9 °F
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