S
M
T
W
T
F
S
26
62°
49°
27
68°
47°
28
75°
44°
29
78°
46°
30
79°
44°
1
77°
47°
2
64°
53°
3
67°
54°
4
67°
46°
5
68°
52°
6
76°
55°
7
75°
52°
8
71°
52°
9
79°
45°
10
79°
52°
11
89°
48°
12
62°
62°
13
72°
53°
14
74°
47°
15
76°
52°
16
74°
54°
17
78°
49°
18
88°
62°
19
87°
51°
20
81°
49°
21
80°
50°
22
71°
53°
23
71°
52°
24
72°
53°
25
75°
52°
26
74°
53°
27
76°
53°
28
77°
51°
29
75°
53°
30
76°
52°
31
77°
53°
1
75°
52°
2
77°
56°
3
78°
56°
4
79°
55°
5
78°
56°
6
78°
56°
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 87°, with overnight lows between 49° and 56°. The average high for May is 77° with an average low of 53°. 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.
