21.07
tue
tue
Day
75°F
N 12 mph
Precip.
4%
4%
Night
61°F
NW 14 mph
Precip.
81%
81%
22.07
wed
wed
Day
70°F
N 12 mph
Precip.
16%
16%
Night
63°F
N 9 mph
Precip.
42%
42%
23.07
thu
thu
Day
72°F
NE 8 mph
Precip.
3%
3%
Night
54°F
SE 5 mph
Precip.
12%
12%
24.07
fri
fri
Day
72°F
NE 8 mph
Precip.
2%
2%
Night
55°F
NE 4 mph
Precip.
11%
11%
25.07
sat
sat
Day
72°F
N 8 mph
Precip.
2%
2%
Night
57°F
NE 5 mph
Precip.
15%
15%
26.07
sun
sun
Day
75°F
NE 10 mph
Precip.
2%
2%
Night
57°F
NE 5 mph
Precip.
13%
13%
27.07
mon
mon
Day
72°F
N 11 mph
Precip.
5%
5%
Night
61°F
N 4 mph
Precip.
43%
43%
sea water
temperature
temperature
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
current
weather
weather
| Mount Desert Island |
14 days
forecast
forecast
| Mount Desert Island |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 58.5°F. The highest and lowest sea temperatures during the month were 61.7°F and 54.7°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.
Air temperature in Mount Desert Island, °F
Precipitation total in Mount Desert Island, in.
* Charts above show average data for the last 3 years.
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: 09:25
July 21, tuesday
1200
75°F
N
12 mph
12 mph
1500
79°F
N
13 mph
13 mph
1800
70°F
N
12 mph
12 mph
2100
59°F
NW
9 mph
9 mph
July 22, wednesday
0000
61°F
NW
14 mph
14 mph
0300
61°F
NW
14 mph
14 mph
0600
63°F
N
16 mph
16 mph
0900
64°F
N
11 mph
11 mph
