Current sea water temperature:
+55.2°F
| Minimum sea water temperature in October: | 58.8°F |
| Maximum sea water temperature in October: | 52.0°F |
| Average sea water temperature in October: | 55.3°F |
| more information | |
14 days
forecast
forecast
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
Sea water temperature for the last 10 days:
| October 9 | 55.2°F | October 4 | 56.7°F |
| October 8 | 55.0°F | October 3 | 57.6°F |
| October 7 | 55.4°F | October 2 | 55.6°F |
| October 6 | 56.3°F | October 1 | 54.3°F |
| October 5 | 56.7°F | September 30 | 54.5°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 60.6°F. The highest and lowest sea temperatures during the month were 63.5°F and 58.3°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 57.2°F. The highest and lowest sea temperatures during the month were 60.4°F and 54.5°F.
current
weather
weather
| Bar Harbor |
weather in
October
October
| 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: 05:17
October 09, friday
0600

46°F
E
6 mph
6 mph
0900

54°F
E
9 mph
9 mph
1200

59°F
E
12 mph
12 mph
1500

57°F
E
12 mph
12 mph
1800

52°F
SE
12 mph
12 mph
2100

46°F
E
9 mph
9 mph
October 10, saturday
0000

45°F
E
10 mph
10 mph
0300

43°F
E
13 mph
13 mph



























