Weather in Islesboro, ME
Updated 2026-08-11 11:15 local time · ZIP codes 04848

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
77°5% rain
80°4% rain
81°3% rain
84°3% rain
84°2% rain
81°2% rain
83°1% rain
82°1% rain
78°1% rain
74°2% rain
72°3% rain
70°3% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 77°F with winds near 10 mph.
74°F, 2% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 77°F, wind 10 mph, rain chance up to 5%.
UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.
Islesboro weather today
Sunny and 77°F in Islesboro, ME. Today's high is 84°F with a 7% rain chance. Winds are around 10 mph with gusts near 15 mph. Relative humidity is 67%, pressure is 29.70 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Islesboro
Sunrise is at 05:34 AM and sunset is at 07:47 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 59°F. The maximum rain chance is 17%.