World Resorts USA Block Island Weather

Block Island weather in October

Weather in Block Island: October

Average day temperature: 60.6°F
Average night temperature: 57.0°F
Sea water temperature: 63.4°F
Number of sunny days: 13 days
Day length: 10.5 - 11.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in October, °F

Show year:
2026
2025
2024

The highest day temperature during October of 2026 was 72°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during October were 59.2°F and 56.7°F.

Sea water temperature in Block Island in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 62.3°F. The highest and lowest sea temperatures during the month were 65.1°F and 59.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Block Island in October is 1.3 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 14.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.6.

Best time for vacation in Block Island

Sunniest months:
November 16 days
June 14 days
December 14 days
Warmest months:
July 74.8 °F
August 74.2 °F
September 68.9 °F
Warmest sea temp:
August 70.1 °F
July 68.4 °F
September 68.2 °F
Coldest months:
January 36.8 °F
February 36.9 °F
December 42.5 °F
Rainiest months:
January 3 days
March 3 days
October 3 days
Windiest months:
December 16.1 mph
January 16.0 mph
November 15.7 mph

Block Island on a weather map

Block Island
+59°F
NE 15 mph
Feels like: +55°F
Precip.: 10%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Block Island
Local time: 12:31
October 29, thursday
1500
59°F
NE
17 mph
1800
59°F
NE
18 mph
2100
59°F
NE
19 mph
October 30, friday
0000
61°F
NE
20 mph
0300
61°F
NE
20 mph
0600
59°F
E
19 mph
0900
59°F
E
17 mph
1200
63°F
E
11 mph
Units of measurement: °C / °F