Current sea water temperature:
+36.9°F
| Minimum sea water temperature in March: | 39.4°F |
| Maximum sea water temperature in March: | 32.9°F |
| Average sea water temperature in March: | 36.5°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| March 18 | 36.9°F | March 13 | 36.5°F |
| March 17 | 35.1°F | March 12 | 36.9°F |
| March 16 | 34.7°F | March 11 | 37.0°F |
| March 15 | 35.1°F | March 10 | 34.9°F |
| March 14 | 35.6°F | March 9 | 34.2°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
March
March
| 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: 23:08
March 19, thursday
0000
27°F
NE
3 mph
3 mph
0300
25°F
N
3 mph
3 mph
0600
27°F
NW
4 mph
4 mph
0900
28°F
NW
9 mph
9 mph
1200
30°F
N
10 mph
10 mph
1500
30°F
N
9 mph
9 mph
1800
30°F
N
8 mph
8 mph
2100
30°F
N
9 mph
9 mph
