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: | 40.6°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| April 9 | 37.9°F | April 4 | 36.9°F |
| April 8 | 37.2°F | April 3 | 37.4°F |
| April 7 | 37.8°F | April 2 | 36.9°F |
| April 6 | 37.6°F | April 1 | 37.0°F |
| April 5 | 38.3°F | March 31 | 37.0°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
April
April
| 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: 05:22
April 09, thursday
0600
28°F
NE
3 mph
3 mph
0900
39°F
N
9 mph
9 mph
1200
45°F
N
12 mph
12 mph
1500
45°F
N
14 mph
14 mph
1800
41°F
N
13 mph
13 mph
2100
37°F
N
12 mph
12 mph
April 10, friday
0000
37°F
N
13 mph
13 mph
0300
36°F
NE
12 mph
12 mph
