Measurements:
°C
°F
CURRENT WEATHER
15:24
Bar Harbor
42°F
S 13 mph
Feels like: 38°F
Precip: 75%
World Resorts USA Bar Harbor Weather

7 Day Weather Forecast

04.23
thu
DAY
42°F
SE 11 mph
precip
100%
NIGHT
36°F
S 8 mph
precip
0%
04.24
fri
DAY
40°F
S 9 mph
precip
100%
NIGHT
30°F
S 7 mph
precip
0%
04.25
sat
DAY
50°F
S 4 mph
precip
0%
NIGHT
36°F
S 5 mph
precip
0%
04.26
sun
DAY
50°F
W 5 mph
precip
0%
NIGHT
42°F
N 0 mph
precip
0%
04.27
mon
DAY
50°F
NW 7 mph
precip
78%
NIGHT
42°F
N 4 mph
precip
0%
04.28
tue
DAY
52°F
N 9 mph
precip
0%
NIGHT
40°F
N 7 mph
precip
0%
04.29
wed
DAY
42°F
NW 10 mph
precip
100%
NIGHT
40°F
W 21 mph
precip
100%

Bar Harbor Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Bar Harbor was 4.0°F. The maximum and minimum values were 2.7°F and 5.5°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
March 11 mph
February 11 mph
more details