Current sea water temperature:
+37.9°F
| Minimum sea water temperature in April: | 44.6°F |
| Maximum sea water temperature in April: | 36.0°F |
| Average sea water temperature in April: | 40.7°F |
| more information | |
14 days
forecast
forecast
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
Sea water temperature for the last 10 days:
| April 9 | 37.9°F | April 4 | 37.0°F |
| April 8 | 37.2°F | April 3 | 37.4°F |
| April 7 | 37.6°F | April 2 | 36.9°F |
| April 6 | 37.6°F | April 1 | 37.0°F |
| April 5 | 38.3°F | March 31 | 36.9°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
April
April
| 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: 05:36
April 09, thursday
0600

30°F
N
4 mph
4 mph
0900

39°F
N
9 mph
9 mph
1200

45°F
N
12 mph
12 mph
1500

46°F
N
14 mph
14 mph
1800

41°F
N
12 mph
12 mph
2100

36°F
N
12 mph
12 mph
April 10, friday
0000

36°F
N
13 mph
13 mph
0300

36°F
N
12 mph
12 mph



























