S
M
T
W
T
F
S
26
85°
63°
27
82°
73°
28
81°
70°
29
72°
62°
30
66°
55°
1
67°
53°
2
73°
49°
3
79°
50°
4
81°
57°
5
75°
65°
6
74°
50°
7
71°
55°
8
78°
62°
9
83°
64°
10
82°
58°
11
77°
53°
12
78°
59°
13
84°
61°
14
83°
64°
15
85°
67°
16
84°
67°
17
82°
64°
18
85°
68°
19
85°
69°
20
81°
62°
21
82°
66°
22
78°
66°
23
78°
65°
24
79°
66°
25
78°
66°
26
78°
67°
27
79°
66°
28
80°
66°
29
79°
65°
30
79°
65°
31
80°
64°
1
80°
65°
2
83°
66°
3
83°
68°
4
82°
69°
5
81°
70°
6
82°
69°
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 71° to 85°, with overnight lows between 53° and 70°. The average high for May is 81° with an average low of 65°. 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.
