Measurements:
°C
°F
Bar Harbor
34°F
NE 12 mph
Feels like: 28°F
Precip: 0%
World Resorts USA Bar Harbor Weather

7 Day Weather Forecast

03.13
fri
DAY
32°F
E 12 mph
precip
0%
NIGHT
30°F
N 14 mph
precip
0%
03.14
sat
DAY
40°F
E 15 mph
precip
0%
NIGHT
30°F
SE 7 mph
precip
0%
03.15
sun
DAY
36°F
SE 6 mph
precip
0%
NIGHT
32°F
N 12 mph
precip
0%
03.16
mon
DAY
38°F
NW 22 mph
precip
0%
NIGHT
46°F
N 24 mph
precip
100%
03.17
tue
DAY
42°F
NE 17 mph
precip
0%
NIGHT
26°F
E 17 mph
precip
0%
03.18
wed
DAY
24°F
E 16 mph
precip
0%
NIGHT
24°F
S 6 mph
precip
0%
03.19
thu
DAY
32°F
NW 11 mph
precip
100%
NIGHT
32°F
N 14 mph
precip
0%

Bar Harbor Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Bar Harbor was 1.6°F. The maximum and minimum values were 0.6°F and 2.9°F respectively.

Bar Harbor on the Weather Map

Best Time to Visit Bar Harbor
The most sunny months:
November 13 days
September 13 days
October 13 days
The most warm months:
July 73.9 °F
August 73.4 °F
June 67.9 °F
Warmest sea temperature:
August 62.4 °F
July 60.3 °F
September 59.4 °F
The most cold months:
January 26.6 °F
February 27.7 °F
December 33.1 °F
The most rainy months:
April 3 days
October 3 days
March 2 days
The most windy months:
December 11 mph
February 11 mph
March 11 mph