Measurements:
°C
°F
CURRENT WEATHER
19:47
Bar Harbor
50°F
E 16 mph
Feels like: 44°F
Precip: 4%
World Resorts USA Bar Harbor Weather

7 Day Weather Forecast

10.05
mon
DAY
62°F
E 11 mph
precip
22%
NIGHT
46°F
E 16 mph
precip
5%
10.06
tue
DAY
52°F
E 19 mph
precip
2%
NIGHT
42°F
E 9 mph
precip
5%
10.07
wed
DAY
54°F
N 11 mph
precip
11%
NIGHT
56°F
NE 15 mph
precip
22%
10.08
thu
DAY
62°F
NE 14 mph
precip
42%
NIGHT
52°F
SE 4 mph
precip
12%
10.09
fri
DAY
60°F
E 15 mph
precip
3%
NIGHT
44°F
SE 8 mph
precip
14%
10.10
sat
DAY
50°F
SE 16 mph
precip
2%
NIGHT
38°F
SE 7 mph
precip
7%
10.11
sun
DAY
52°F
NE 13 mph
precip
14%
NIGHT
58°F
NE 16 mph
precip
25%

Bar Harbor Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Bar Harbor was 12.7°F. The maximum and minimum values were 11.7°F and 14.5°F respectively.

Bar Harbor on the Weather Map

Best Time to Visit Bar Harbor
The most sunny months:
October 13 days
November 13 days
September 12 days
The most warm months:
July 75.0 °F
August 74.5 °F
June 68.6 °F
Warmest sea temperature:
August 62.3 °F
July 60.0 °F
September 59.2 °F
The most cold months:
January 26.6 °F
February 27.7 °F
December 33.1 °F
The most rainy months:
October 3 days
March 2 days
December 2 days
The most windy months:
December 11 mph
March 11 mph
February 11 mph
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