Current sea water temperature:
+63.7°F
| Minimum sea water temperature in August: | 68.2°F |
| Maximum sea water temperature in August: | 57.0°F |
| Average sea water temperature in August: | 61.7°F |
| more information | |
14 days
forecast
forecast
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
Sea water temperature for the last 10 days:
| August 10 | 63.7°F | August 5 | 60.8°F |
| August 9 | 62.8°F | August 4 | 60.8°F |
| August 8 | 62.6°F | August 3 | 58.6°F |
| August 7 | 62.4°F | August 2 | 59.0°F |
| August 6 | 62.1°F | August 1 | 58.8°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 58.1°F. The highest and lowest sea temperatures during the month were 61.7°F and 54.7°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
August
August
| 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: 11:57
August 10, monday
1200
88°F
NE
8 mph
8 mph
1500
88°F
N
11 mph
11 mph
1800
72°F
N
7 mph
7 mph
2100
66°F
NE
4 mph
4 mph
August 11, tuesday
0000
64°F
W
3 mph
3 mph
0300
61°F
NE
3 mph
3 mph
0600
61°F
SE
1 mph
1 mph
0900
68°F
SE
5 mph
5 mph
