World Resorts USA Block Island Weather

Block Island 14 Days Forecast

09.04
thu
Day
41°F
NW 7 mph
Precip.
0%
Night
41°F
N 9 mph
Precip.
0%
10.04
fri
Day
37°F
NE 13 mph
Precip.
0%
Night
43°F
NE 20 mph
Precip.
0%
11.04
sat
Day
50°F
SE 12 mph
Precip.
0%
Night
45°F
SW 11 mph
Precip.
0%
12.04
sun
Day
45°F
N 6 mph
Precip.
0%
Night
46°F
N 22 mph
Precip.
0%
13.04
mon
Day
48°F
NE 24 mph
Precip.
100%
Night
50°F
NE 22 mph
Precip.
100%
14.04
tue
Day
50°F
NE 16 mph
Precip.
0%
Night
50°F
NE 14 mph
Precip.
100%
15.04
wed
Day
50°F
NE 15 mph
Precip.
0%
Night
50°F
NE 16 mph
Precip.
0%
16.04
thu
Day
46°F
SW 14 mph
Precip.
28%
Night
39°F
SW 21 mph
Precip.
64%
17.04
fri
Day
39°F
SW 12 mph
Precip.
56%
Night
41°F
N 8 mph
Precip.
0%
18.04
sat
Day
43°F
NE 12 mph
Precip.
0%
Night
45°F
NE 11 mph
Precip.
0%
19.04
sun
Day
46°F
N 9 mph
Precip.
0%
Night
48°F
N 12 mph
Precip.
100%
20.04
mon
Day
50°F
N 20 mph
Precip.
100%
Night
48°F
NE 12 mph
Precip.
0%
21.04
tue
Day
50°F
NE 12 mph
Precip.
28%
Night
50°F
E 8 mph
Precip.
68%
22.04
wed
Day
50°F
NE 9 mph
Precip.
81%
Night
50°F
NE 7 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 44.0°F. The highest and lowest sea temperatures during the month were 46.9°F and 42.3°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
September 14 days
October 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 36.8 °F
February 36.9 °F
December 42.5 °F
Rainiest months:
October 4 days
January 3 days
March 3 days
Windiest months:
December 16.1 mph
January 16.0 mph
November 15.7 mph

Block Island on a weather map

Current weather
05:32
Block Island
+36°F
W 6 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+37°F
Hawaii
+72°F
Honolulu
+72°F
Las Vegas
+68°F
Los Angeles
+59°F
Miami
+70°F
Miami Beach
+72°F
Maui
+68°F
New York
+34°F
San Diego
+61°F
San Francisco
+55°F
Sarasota
+66°F
Tampa
+66°F
Houston
+64°F
Chicago
+52°F
all places
24 Hours Forecast
Block Island
Local time: 05:32
April 09, thursday
0600
36°F
W
6 mph
0900
39°F
NW
7 mph
1200
41°F
NW
7 mph
1500
41°F
N
9 mph
1800
43°F
N
10 mph
2100
41°F
N
10 mph
April 10, friday
0000
41°F
N
9 mph
0300
37°F
NE
9 mph
Units of measurement: °C / °F