26.02
thu
thu
Day
37°F
SE 4 mph
Precip.
0%
0%
Night
32°F
S 12 mph
Precip.
0%
0%
27.02
fri
fri
Day
36°F
NE 4 mph
Precip.
0%
0%
Night
34°F
NE 11 mph
Precip.
0%
0%
28.02
sat
sat
Day
36°F
N 11 mph
Precip.
0%
0%
Night
36°F
SE 8 mph
Precip.
0%
0%
01.03
sun
sun
Day
34°F
S 13 mph
Precip.
0%
0%
Night
27°F
S 17 mph
Precip.
0%
0%
02.03
mon
mon
Day
23°F
SE 9 mph
Precip.
0%
0%
Night
23°F
S 11 mph
Precip.
0%
0%
03.03
tue
tue
Day
27°F
N 7 mph
Precip.
0%
0%
Night
37°F
NW 11 mph
Precip.
100%
100%
04.03
wed
wed
Day
39°F
E 21 mph
Precip.
27%
27%
Night
37°F
E 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Block Island |
monthly
weather
weather
| Block Island |
current
weather
weather
| Block Island |
14 days
forecast
forecast
| Block Island |
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 36.5°F. The highest and lowest sea temperatures during the month were 38.1°F and 35.6°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 40.9°F. The highest and lowest sea temperatures during the month were 42.4°F and 39.2°F.
Air temperature in Block Island, °F
Precipitation total in Block Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Block Island
Block Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Block Island
Local time: 13:29
February 26, thursday
1500
41°F
E
5 mph
5 mph
1800
36°F
SE
3 mph
3 mph
2100
34°F
S
6 mph
6 mph
February 27, friday
0000
32°F
S
12 mph
12 mph
0300
32°F
S
8 mph
8 mph
0600
32°F
S
7 mph
7 mph
0900
32°F
S
3 mph
3 mph
1200
36°F
NE
4 mph
4 mph
