S
M
T
W
T
F
S
26
52°
37°
27
45°
39°
28
48°
34°
29
52°
27°
30
48°
27°
1
55°
25°
2
66°
28°
3
70°
41°
4
63°
36°
5
43°
30°
6
45°
28°
7
56°
31°
8
66°
42°
9
56°
33°
10
55°
32°
11
60°
43°
12
62°
40°
13
66°
45°
14
64°
42°
15
68°
45°
16
63°
41°
17
66°
42°
18
68°
46°
19
67°
43°
20
61°
39°
21
62°
41°
22
62°
41°
23
61°
44°
24
62°
48°
25
66°
50°
26
67°
49°
27
69°
51°
28
72°
52°
29
73°
53°
30
74°
53°
31
74°
52°
1
69°
51°
2
73°
55°
3
75°
54°
4
76°
49°
5
65°
47°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hewitt
Hewitt's May 2026 forecast shows daily high temperatures ranging from 45° to 76°, with overnight lows between 28° and 55°. The average high for May is 65° with an average low of 45°. 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 Hewitt. See also: June | July | August.