Current sea water temperature:
+55.6°F
| Minimum sea water temperature in June: | 61.2°F |
| Maximum sea water temperature in June: | 48.2°F |
| Average sea water temperature in June: | 53.8°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| June 29 | 55.6°F | June 24 | 53.4°F |
| June 28 | 54.7°F | June 23 | 53.8°F |
| June 27 | 53.8°F | June 22 | 54.5°F |
| June 26 | 54.0°F | June 21 | 54.0°F |
| June 25 | 53.2°F | June 20 | 54.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Bar Harbor?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bar Harbor was noticed in August, July and September.
Monthly Sea Temperatures in Bar Harbor, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 56.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 57.4°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 61.2°F and 56.7°F.
current
weather
weather
| Bar Harbor |
weather in
July
July
| Bar Harbor |
Best time for vacation in Bar Harbor
Bar Harbor on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bar Harbor
Local time: 20:19
June 29, monday
2100
66°F
NE
6 mph
6 mph
June 30, tuesday
0000
63°F
E
6 mph
6 mph
0300
61°F
E
6 mph
6 mph
0600
63°F
E
6 mph
6 mph
0900
70°F
E
7 mph
7 mph
1200
73°F
NE
9 mph
9 mph
1500
72°F
NE
13 mph
13 mph
1800
66°F
NE
11 mph
11 mph
