Updated 2026-09-26 10:00 local time · ZIP codes 04848
Overcast
* WHAT...Northeast winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 6 ft. * WHERE...Penobscot Bay and Casco Bay. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
62°13% rain64°13% rain67°10% rain69°9% rain65°12% rain
62°35% rain
60°25% rain60°27% rain58°19% rain
57°33% rain58°31% rain57°33% rain
There is a moderate rain chance, peaking near 35%.
It feels like 54°F with winds near 11 mph.
69°F, 9% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 31 mph.
Current temperature is 62°F, wind 11 mph, rain chance up to 35%.
UV index is 1.
Maine has cold winters, mild summers and strong coastal influence in the east. Snow, nor'easters and rapid temperature changes are common in the colder season.
Islesboro is part of the Northeast weather region. The forecast point is near 44.31°N latitude and 68.90°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Overcast and 62°F in Islesboro, ME. Today's high is 69°F with a 83% rain chance. Winds are around 11 mph with gusts near 22 mph. Relative humidity is 53%, pressure is 30.09 inHg, and visibility is about 6 miles.
Sunrise is at 06:27 AM and sunset is at 06:26 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 60°F and a low near 53°F. The maximum rain chance is 79%.
