S
M
T
W
T
F
S
1
40°
28°
2
28°
17°
3
35°
16°
4
45°
32°
5
39°
31°
6
36°
33°
7
41°
33°
8
45°
38°
9
60°
39°
10
48°
35°
11
55°
42°
12
49°
32°
13
39°
30°
14
46°
34°
15
38°
32°
16
52°
38°
17
52°
29°
18
33°
25°
19
37°
23°
20
45°
35°
21
55°
38°
22
45°
37°
23
42°
34°
24
39°
30°
25
44°
35°
26
50°
40°
27
51°
30°
28
40°
30°
29
44°
27°
30
50°
40°
31
52°
43°
1
48°
41°
2
42°
37°
3
49°
38°
4
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Block Island
Block Island's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Block Island. See also: April | May | June.
