Weather in Southwest Harbor, ME
Updated 2026-08-11 13:45 local time · ZIP codes 04679
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
79°3% rain
81°3% rain80°3% rain79°3% rain79°1% rain79°2% rain
72°3% rain72°2% rain71°2% rain70°3% rain68°4% rain62°10% 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 10%).
It feels like 81°F with winds near 14 mph.
72°F, 3% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 29 mph.
Current temperature is 79°F, wind 14 mph, rain chance up to 10%.
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Southwest Harbor weather today
Cloudy and 79°F in Southwest Harbor, ME. Today's high is 83°F with a 7% rain chance. Winds are around 14 mph with gusts near 29 mph. Relative humidity is 61%, pressure is 29.70 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Southwest Harbor
Sunrise is at 05:32 AM and sunset is at 07:44 PM. Tomorrow's forecast calls for Sunny with a high near 69°F and a low near 60°F. The maximum rain chance is 8%.