World Resorts USA Block Island Weather

Block Island 14 Days Forecast

13.01
tue
Day
41°F
E 17 mph
Precip.
0%
Night
45°F
NE 26 mph
Precip.
0%
14.01
wed
Day
43°F
NE 17 mph
Precip.
0%
Night
41°F
N 8 mph
Precip.
100%
15.01
thu
Day
32°F
NE 17 mph
Precip.
0%
Night
30°F
E 23 mph
Precip.
70%
16.01
fri
Day
25°F
E 31 mph
Precip.
0%
Night
37°F
NE 24 mph
Precip.
0%
17.01
sat
Day
41°F
NE 19 mph
Precip.
0%
Night
43°F
N 12 mph
Precip.
20%
18.01
sun
Day
41°F
NE 15 mph
Precip.
0%
Night
34°F
SE 16 mph
Precip.
0%
19.01
mon
Day
28°F
SE 20 mph
Precip.
0%
Night
32°F
E 20 mph
Precip.
0%
20.01
tue
Day
36°F
E 24 mph
Precip.
0%
Night
30°F
SE 21 mph
Precip.
0%
21.01
wed
Day
28°F
E 16 mph
Precip.
0%
Night
39°F
NE 30 mph
Precip.
0%
22.01
thu
Day
39°F
E 17 mph
Precip.
0%
Night
45°F
NE 19 mph
Precip.
0%
23.01
fri
Day
45°F
NE 27 mph
Precip.
100%
Night
34°F
SE 21 mph
Precip.
100%
24.01
sat
Day
25°F
SE 20 mph
Precip.
0%
Night
28°F
E 14 mph
Precip.
0%
25.01
sun
Day
28°F
E 16 mph
Precip.
0%
Night
28°F
SE 11 mph
Precip.
0%
26.01
mon
Day
28°F
SE 11 mph
Precip.
0%
Night
30°F
SE 8 mph
Precip.
0%

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

Sunniest months:
November 16 days
December 14 days
September 14 days
Warmest months:
July 74.4 °F
August 73.5 °F
September 68.8 °F
Warmest sea temp:
August 70.1 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 37.4 °F
February 37.4 °F
December 42.5 °F
Rainiest months:
October 4 days
January 3 days
March 3 days
Windiest months:
December 16.1 mph
November 15.7 mph
January 15.6 mph

Block Island on a weather map

Current weather
05:12
Block Island
+34°F
E 21 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+30°F
Hawaii
+68°F
Honolulu
+68°F
Las Vegas
+45°F
Los Angeles
+55°F
Miami
+68°F
Miami Beach
+73°F
Maui
+64°F
New York
+30°F
San Diego
+54°F
San Francisco
+46°F
Sarasota
+57°F
Tampa
+54°F
Houston
+46°F
Chicago
+34°F
all places
24 Hours Forecast
Block Island
Local time: 05:12
January 13, tuesday
0600
34°F
E
21 mph
0900
36°F
E
19 mph
1200
41°F
E
17 mph
1500
41°F
NE
18 mph
1800
43°F
NE
19 mph
2100
43°F
NE
24 mph
January 14, wednesday
0000
45°F
NE
26 mph
0300
45°F
NE
25 mph
Units of measurement: °C / °F