S
M
T
W
T
F
S
26
54°
42°
27
58°
40°
28
65°
41°
29
59°
42°
30
61°
46°
1
64°
43°
2
60°
42°
3
60°
41°
4
61°
39°
5
61°
44°
6
62°
51°
7
72°
49°
8
65°
45°
9
63°
49°
10
64°
44°
11
62°
41°
12
61°
41°
13
63°
43°
14
64°
48°
15
64°
46°
16
66°
53°
17
73°
50°
18
68°
45°
19
65°
45°
20
66°
47°
21
71°
56°
22
75°
57°
23
76°
56°
24
75°
56°
25
72°
57°
26
79°
59°
27
79°
53°
28
69°
52°
29
81°
56°
30
80°
54°
31
77°
54°
1
79°
53°
2
81°
55°
3
78°
58°
4
80°
59°
5
77°
59°
6
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in DeMotte
DeMotte's May 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 39° and 60°. The average high for May is 69° with an average low of 49°. 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 DeMotte. See also: June | July | August.