S
M
T
W
T
F
S
26
71°
54°
27
72°
56°
28
75°
59°
29
75°
57°
30
78°
59°
1
77°
59°
2
78°
57°
3
71°
55°
4
71°
56°
5
72°
57°
6
72°
54°
7
73°
56°
8
74°
56°
9
74°
57°
10
78°
59°
11
79°
61°
12
80°
61°
13
79°
60°
14
77°
60°
15
75°
59°
16
76°
58°
17
75°
59°
18
74°
59°
19
73°
56°
20
72°
55°
21
70°
56°
22
71°
57°
23
73°
56°
24
71°
55°
25
72°
53°
26
70°
55°
27
71°
56°
28
72°
59°
29
78°
60°
30
79°
58°
31
79°
59°
1
77°
58°
2
77°
59°
3
76°
59°
4
77°
60°
5
78°
62°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Norwalk
Norwalk's May 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 53° and 63°. The average high for May is 75° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Norwalk. See also: June | July | August.
