Harpswell Weather Forecast

    • 60
    • 75

    Partly Sunny

    • 62
    • 73

    Chance Rain Showers

    • 60
    • 71

    Rain Showers

    • 61
    • 71

    Rain Showers Likely

    • 62
    • 70

    Chance Rain Showers

    • 63
    • 71

    Partly Sunny

Today 27 Jul Coastal Cumberland

Mostly sunny. Highs in the upper 70s. South Winds around 10 Mph.

Tonight 27 Jul Coastal Cumberland

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog. Lows in the upper 50s. South Winds around 10 Mph in the Evening, becoming light and variable.

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Harpswell Temperature Statistics

July Temperature

Wiscasset Airport (17.4 miles)

  • Lowest 24 July, 2026

    52 °F

  • Average July

    72.7 °F

  • Highest 2 July, 2026

    97 °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 °F
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