Monhegan Island Harbor Weather Forecast
- 54
- 63
Mostly Sunny
- 57
- 65
Mostly Sunny
- 56
- 63
Partly Sunny
- 56
- 63
Partly Sunny
- 59
- 65
Mostly Cloudy
- 60
- 67
Chance Rain Showers
Today 23 Jul Lincoln
Mostly sunny. Highs in the upper 70s. West Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 23 Jul Lincoln
Clear. Lows in the lower 50s. Light and variable Winds.
Monhegan Island Harbor Temperature Statistics
July Temperature
Rockland, Knox County Regional Airport (23.6 miles)
Lowest 17 July, 2026
52 °FAverage July
69.8 °FHighest 2 July, 2026
91.9 °F
Climate (2021–2026)
Rockland, Knox County Regional Airport (23.6 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.8 °F