Block Island weather live forecast

Today's maximum temperature in Block Island is expected to be 43°F. Select a day from the live weather forecast for Block Island, Rhode Island, USA for more weather parameters.

Wednesday
17th Dec
43

34

6

1
Thursday
18th Dec
48

36

6

1
Friday
19th Dec
52

34

0

0
Saturday
20th Dec
41

30

9

1
Sunday
21st Dec
45

32

2

1

5-day weather forecast updated at 04:01 on Wednesday 17th December 2025 GMT

More about Block Island

Block Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Rhode Island

Radisson Hotels: up to 25% off prepaid rates

Discount Code

Save up to 25% on hotel stays when you book advance
Radisson Rewards members get extra 10% off hotels
Book hotels in Europe, Middle East, Africa, Asia & Pacific

Show discount code

******AID

Redeem Radisson Hotels discount code >>

View all Radisson Hotels offers

The 5-day weather forecast for Rhode Island (Block Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Block Island weather forecast by day

Below are the detailed weather forecasts for Block Island for the next 5 days.

Block Island weather for Wednesday 17th December 2025

Expect scattered clouds in Block Island, Rhode Island with a maximum temperature of 43°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

43
°F maximum temperature
34
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
36
°F wind chill
19
mph wind from SW

Block Island weather for Thursday 18th December 2025

Expect sunshine and showers in Block Island, Rhode Island with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 17 mph from the south.

48
°F maximum temperature
36
°F minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
17
mph wind from S

Block Island weather for Friday 19th December 2025

Expect mostly cloudy with rain in Block Island, Rhode Island with a maximum temperature of 52°F and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a strong breeze of 26 mph from the south.

52
°F maximum temperature
34
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
91
% chance of some rain
<30
mm of rainfall expected
52
°F wind chill
26
mph wind from S

Block Island weather for Saturday 20th December 2025

Expect scattered clouds in Block Island, Rhode Island with a maximum temperature of 41°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 25 mph from the west.

41
°F maximum temperature
30
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
30
°F wind chill
25
mph wind from W

Block Island weather for Sunday 21st December 2025

Expect broken clouds in Block Island, Rhode Island with a maximum temperature of 45°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the south-west.