Harpswell Weather Forecast
- 15
- 32
Chance Snow
- 18
- 26
Partly Sunny
- 24
- 33
Partly Sunny
- 26
- 41
Partly Sunny
- 36
- 45
Rain Likely
- 19
- 46
Partly Sunny
Today 14 Dec Coastal Cumberland
Cloudy with a 50 percent chance of snow. Highs around 30. North Winds around 10 Mph. Gusts up to 25 Mph in the afternoon.
Tonight 14 Dec Coastal Cumberland
Partly cloudy in the Evening, then clearing. Lows around 11. Northwest Winds around 10 Mph with Gusts up to 25 Mph. Wind chill Values as low as 1 below.
Harpswell Temperature Statistics
December Temperature
Wiscasset Airport (17.4 miles)
Lowest 9 December, 2025
-2.9 °FAverage December
24.1 °FHighest 10 December, 2025
41 °F
Climate (2020–Present)
Wiscasset Airport (17.4 miles)
Average Low 2020–2025
38.9 °FAverage 2020–2025
48.6 °FAverage High 2020–2025
58 °F