Monhegan Island Harbor Weather Forecast
- 65
- 68
Chance Rain Showers
- 64
- 75
Rain Showers
- 60
- 72
Slight Chance Thunderstorms
- 60
- 72
Partly Sunny
- 60
- 68
Chance Rain Showers
- 61
- 68
Chance Rain Showers
Today 14 Jul Lincoln
Partly sunny. A chance of Showers, mainly this morning. Hot with Highs around 90. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 40 percent. Heat index Values in the upper 90s this afternoon.
Tonight 14 Jul Lincoln
Partly cloudy. Patchy smoke this evening. Scattered Thunderstorms with a chance of Showers this evening. A chance of Showers with isolated Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Some Thunderstorms may be severe with damaging Winds and large hail. Humid with Lows around 70. Southwest Winds around 10 Mph with Gusts up to 20 Mph Early, becoming light and variable. Chance of rain 50 percent. Heat index Values in the lower 90s early early.
Monhegan Island Harbor Temperature Statistics
July Temperature
Rockland, Knox County Regional Airport (23.6 miles)
Lowest 12 July, 2026
54 °FAverage July
71.4 °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