S
M
T
W
T
F
S
26
68°
43°
27
64°
52°
28
59°
52°
29
61°
37°
30
55°
32°
1
50°
36°
2
54°
32°
3
61°
37°
4
77°
48°
5
55°
46°
6
55°
37°
7
59°
34°
8
63°
48°
9
75°
46°
10
64°
43°
11
63°
39°
12
81°
37°
13
59°
37°
14
66°
36°
15
72°
46°
16
82°
61°
17
84°
61°
18
81°
63°
19
82°
61°
20
64°
46°
21
70°
45°
22
73°
52°
23
79°
55°
24
72°
55°
25
82°
50°
26
81°
54°
27
86°
59°
28
82°
55°
29
82°
54°
30
81°
51°
31
80°
57°
1
79°
55°
2
80°
53°
3
80°
57°
4
82°
61°
5
85°
61°
6
78°
59°
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 78° to 85°, with overnight lows between 51° and 61°. The average high for May is 81° with an average low of 57°. 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.