24.12
wed
wed
Day
39°F
SE 30 mph
Precip.
0%
0%
Night
32°F
S 5 mph
Precip.
0%
0%
25.12
thu
thu
Day
37°F
NE 25 mph
Precip.
0%
0%
Night
34°F
S 25 mph
Precip.
0%
0%
26.12
fri
fri
Day
27°F
S 11 mph
Precip.
0%
0%
Night
30°F
W 15 mph
Precip.
100%
100%
27.12
sat
sat
Day
34°F
SW 17 mph
Precip.
66%
66%
Night
30°F
S 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
39°F
N 21 mph
Precip.
100%
100%
Night
41°F
E 21 mph
Precip.
76%
76%
29.12
mon
mon
Day
27°F
E 30 mph
Precip.
0%
0%
Night
27°F
E 29 mph
Precip.
0%
0%
30.12
tue
tue
Day
28°F
E 24 mph
Precip.
0%
0%
Night
28°F
SE 24 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 December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 48.3°F. The highest and lowest sea temperatures during the month were 51.6°F and 44.8°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: 08:37
December 24, wednesday
0900
39°F
SE
31 mph
31 mph
1200
39°F
SE
30 mph
30 mph
1500
39°F
SE
27 mph
27 mph
1800
37°F
S
19 mph
19 mph
2100
34°F
S
11 mph
11 mph
December 25, thursday
0000
32°F
S
5 mph
5 mph
0300
32°F
E
8 mph
8 mph
0600
32°F
NE
12 mph
12 mph
