Current sea water temperature:
+63.1°F
| Minimum sea water temperature in August: | 68.2°F |
| Maximum sea water temperature in August: | 56.5°F |
| Average sea water temperature in August: | 61.2°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| August 11 | 63.1°F | August 6 | 61.5°F |
| August 10 | 63.0°F | August 5 | 60.1°F |
| August 9 | 61.5°F | August 4 | 60.6°F |
| August 8 | 61.7°F | August 3 | 58.5°F |
| August 7 | 61.9°F | August 2 | 58.8°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 57.6°F. The highest and lowest sea temperatures during the month were 60.8°F and 54.1°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
August
August
| 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: 08:27
August 11, tuesday
0900
73°F
E
6 mph
6 mph
1200
81°F
E
9 mph
9 mph
1500
82°F
SE
12 mph
12 mph
1800
75°F
SE
9 mph
9 mph
2100
66°F
SE
6 mph
6 mph
August 12, wednesday
0000
63°F
E
7 mph
7 mph
0300
61°F
SE
6 mph
6 mph
0600
59°F
SE
6 mph
6 mph
