Current sea water temperature:
+55.9°F
| Minimum sea water temperature in June: | 61.5°F |
| Maximum sea water temperature in June: | 48.4°F |
| Average sea water temperature in June: | 54.3°F |
| more information | |
14 days
forecast
forecast
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
Sea water temperature for the last 10 days:
| June 29 | 55.9°F | June 24 | 54.1°F |
| June 28 | 55.8°F | June 23 | 54.1°F |
| June 27 | 54.7°F | June 22 | 54.7°F |
| June 26 | 54.5°F | June 21 | 54.1°F |
| June 25 | 54.0°F | June 20 | 54.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Mount Desert Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mount Desert Island was noticed in August, July and September.
Monthly Sea Temperatures in Mount Desert Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 60.2°F. The highest and lowest sea temperatures during the month were 63.0°F and 57.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 58.2°F. The highest and lowest sea temperatures during the month were 60.6°F and 54.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.6°F. The highest and lowest sea temperatures during the month were 60.6°F and 56.7°F.
current
weather
weather
| Mount Desert Island |
weather in
July
July
| Mount Desert Island |
Best time for vacation in Mount Desert Island
Mount Desert Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mount Desert Island
Local time: 19:50
June 29, monday
2100
64°F
NE
6 mph
6 mph
June 30, tuesday
0000
61°F
E
6 mph
6 mph
0300
59°F
E
5 mph
5 mph
0600
59°F
E
4 mph
4 mph
0900
72°F
E
7 mph
7 mph
1200
77°F
NE
9 mph
9 mph
1500
75°F
NE
12 mph
12 mph
1800
68°F
NE
11 mph
11 mph
