25.02
wed
wed
Day

36°F
NE 25 mph
Precip.
100%
100%
Night

37°F
E 24 mph
Precip.
0%
0%
26.02
thu
thu
Day

36°F
E 19 mph
Precip.
0%
0%
Night

37°F
W 19 mph
Precip.
100%
100%
27.02
fri
fri
Day

36°F
S 23 mph
Precip.
0%
0%
Night

34°F
NE 9 mph
Precip.
0%
0%
28.02
sat
sat
Day

37°F
N 13 mph
Precip.
0%
0%
Night

37°F
NE 8 mph
Precip.
0%
0%
01.03
sun
sun
Day

34°F
E 12 mph
Precip.
0%
0%
Night

30°F
S 27 mph
Precip.
0%
0%
02.03
mon
mon
Day

23°F
S 22 mph
Precip.
0%
0%
Night

23°F
S 16 mph
Precip.
0%
0%
03.03
tue
tue
Day

27°F
W 12 mph
Precip.
0%
0%
Night

39°F
N 30 mph
Precip.
100%
100%
sea water
temperature
temperature
| Nantucket |
monthly
weather
weather
| Nantucket |
current
weather
weather
| Nantucket |
14 days
forecast
forecast
| Nantucket |
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 33.4°F. The highest and lowest sea temperatures during the month were 35.4°F and 31.8°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 39.7°F. The highest and lowest sea temperatures during the month were 43.3°F and 36.1°F.
Air temperature in Nantucket, °F
Precipitation total in Nantucket, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nantucket
Nantucket on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Nantucket
Local time: 01:00
February 25, wednesday
0300

28°F
E
19 mph
19 mph
0600

32°F
NE
20 mph
20 mph
0900

36°F
N
23 mph
23 mph
1200

36°F
NE
25 mph
25 mph
1500

37°F
NE
24 mph
24 mph
1800

37°F
NE
24 mph
24 mph
2100

37°F
NE
23 mph
23 mph
February 26, thursday
0000

37°F
E
24 mph
24 mph



























