Current sea water temperature:
+36.9°F
| Minimum sea water temperature in March: | 39.2°F |
| Maximum sea water temperature in March: | 32.4°F |
| Average sea water temperature in March: | 36.3°F |
| more information | |
14 days
forecast
forecast
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
Sea water temperature for the last 10 days:
| March 18 | 36.9°F | March 13 | 36.1°F |
| March 17 | 34.7°F | March 12 | 36.5°F |
| March 16 | 34.2°F | March 11 | 36.5°F |
| March 15 | 34.5°F | March 10 | 34.5°F |
| March 14 | 35.2°F | March 9 | 33.4°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
March
March
| 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: 17:35
March 18, wednesday
1800

30°F
E
4 mph
4 mph
2100

28°F
NE
5 mph
5 mph
March 19, thursday
0000

27°F
N
4 mph
4 mph
0300

25°F
NW
4 mph
4 mph
0600

25°F
NW
4 mph
4 mph
0900

28°F
NW
9 mph
9 mph
1200

30°F
N
10 mph
10 mph
1500

32°F
N
10 mph
10 mph




























