S
M
T
W
T
F
S
26
69°
50°
27
72°
46°
28
73°
49°
29
69°
49°
30
57°
38°
1
66°
32°
2
49°
36°
3
59°
31°
4
73°
45°
5
74°
55°
6
64°
50°
7
58°
41°
8
66°
34°
9
67°
47°
10
74°
49°
11
62°
43°
12
70°
39°
13
71°
47°
14
52°
41°
15
68°
35°
16
75°
52°
17
85°
56°
18
88°
60°
19
88°
61°
20
82°
59°
21
67°
59°
22
71°
59°
23
72°
61°
24
76°
59°
25
76°
61°
26
75°
60°
27
77°
59°
28
75°
58°
29
73°
55°
30
76°
56°
31
77°
53°
1
76°
58°
2
77°
59°
3
75°
58°
4
73°
56°
5
71°
52°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dewitt
Dewitt's May 2026 forecast shows daily high temperatures ranging from 67° to 88°, with overnight lows between 52° and 61°. 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 Dewitt. See also: June | July | August.
