18.03
wed
wed
Day
25°F
SE 12 mph
Precip.
0%
0%
Night
27°F
NE 3 mph
Precip.
0%
0%
19.03
thu
thu
Day
30°F
N 10 mph
Precip.
0%
0%
Night
30°F
N 12 mph
Precip.
0%
0%
20.03
fri
fri
Day
41°F
NE 6 mph
Precip.
0%
0%
Night
37°F
N 4 mph
Precip.
100%
100%
21.03
sat
sat
Day
45°F
SW 6 mph
Precip.
0%
0%
Night
36°F
SE 1 mph
Precip.
0%
0%
22.03
sun
sun
Day
39°F
NE 7 mph
Precip.
100%
100%
Night
32°F
SE 10 mph
Precip.
0%
0%
23.03
mon
mon
Day
34°F
S 12 mph
Precip.
0%
0%
Night
27°F
S 14 mph
Precip.
0%
0%
24.03
tue
tue
Day
32°F
NW 13 mph
Precip.
0%
0%
Night
28°F
NE 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
current
weather
weather
| Bar Harbor |
14 days
forecast
forecast
| Bar Harbor |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 34.8°F. The highest and lowest sea temperatures during the month were 37.0°F and 32.9°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 38.9°F. The highest and lowest sea temperatures during the month were 42.6°F and 36.0°F.
Air temperature in Bar Harbor, °F
Precipitation total in Bar Harbor, in.
* Charts above show average data for the last 3 years.
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: 17:32
March 18, wednesday
1800
32°F
E
4 mph
4 mph
2100
28°F
N
3 mph
3 mph
March 19, thursday
0000
27°F
NE
3 mph
3 mph
0300
25°F
N
3 mph
3 mph
0600
27°F
NW
4 mph
4 mph
0900
28°F
NW
9 mph
9 mph
1200
30°F
N
10 mph
10 mph
1500
30°F
N
9 mph
9 mph
