World Resorts USA Block Island Weather

Block Island 7 Days Forecast

08.06
mon
Day
70°F
W 11 mph
Precip.
1%
Night
59°F
NE 14 mph
Precip.
3%
09.06
tue
Day
63°F
NE 17 mph
Precip.
2%
Night
63°F
NE 20 mph
Precip.
4%
10.06
wed
Day
63°F
NE 19 mph
Precip.
19%
Night
63°F
NE 19 mph
Precip.
98%
11.06
thu
Day
66°F
NE 11 mph
Precip.
16%
Night
66°F
SW 11 mph
Precip.
11%
12.06
fri
Day
64°F
W 14 mph
Precip.
6%
Night
61°F
W 10 mph
Precip.
14%
13.06
sat
Day
63°F
NE 6 mph
Precip.
9%
Night
64°F
NE 11 mph
Precip.
9%
14.06
sun
Day
66°F
NE 13 mph
Precip.
5%
Night
64°F
N 10 mph
Precip.
12%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 65.8°F and 54.1°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
December 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

Block Island
+70°F
NW 12 mph
Feels like: +70°F
Precip.: 1%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+86°F
+72°F
+79°F
+70°F
+68°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Block Island
Local time: 15:25
June 08, monday
1800
66°F
N
12 mph
2100
59°F
NE
15 mph
June 09, tuesday
0000
59°F
NE
14 mph
0300
61°F
E
16 mph
0600
61°F
E
16 mph
0900
63°F
E
17 mph
1200
63°F
NE
17 mph
1500
63°F
NE
22 mph
Units of measurement: °C / °F