30.12
tue
tue
Day
27°F
E 36 mph
Precip.
0%
0%
Night
32°F
E 32 mph
Precip.
0%
0%
31.12
wed
wed
Day
32°F
E 24 mph
Precip.
0%
0%
Night
36°F
E 30 mph
Precip.
0%
0%
01.01
thu
thu
Day
30°F
SE 19 mph
Precip.
0%
0%
Night
28°F
E 19 mph
Precip.
0%
0%
02.01
fri
fri
Day
28°F
E 20 mph
Precip.
0%
0%
Night
34°F
E 14 mph
Precip.
0%
0%
03.01
sat
sat
Day
30°F
E 9 mph
Precip.
0%
0%
Night
30°F
SE 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
30°F
NE 16 mph
Precip.
0%
0%
Night
27°F
SW 14 mph
Precip.
0%
0%
05.01
mon
mon
Day
30°F
W 6 mph
Precip.
0%
0%
Night
43°F
N 19 mph
Precip.
22%
22%
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 December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 47.4°F. The highest and lowest sea temperatures during the month were 51.6°F and 43.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 43.1°F. The highest and lowest sea temperatures during the month were 47.1°F and 41.0°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: 18:21
December 30, tuesday
2100
32°F
E
34 mph
34 mph
December 31, wednesday
0000
32°F
E
32 mph
32 mph
0300
32°F
E
28 mph
28 mph
0600
32°F
E
24 mph
24 mph
0900
32°F
E
23 mph
23 mph
1200
32°F
E
24 mph
24 mph
1500
34°F
E
25 mph
25 mph
1800
36°F
E
23 mph
23 mph
