S
M
T
W
T
F
S
26
72°
50°
27
73°
52°
28
73°
57°
29
64°
50°
30
59°
41°
1
57°
39°
2
54°
36°
3
65°
48°
4
74°
58°
5
70°
47°
6
57°
44°
7
58°
41°
8
62°
46°
9
69°
51°
10
70°
49°
11
69°
51°
12
70°
52°
13
72°
54°
14
76°
54°
15
71°
53°
16
78°
58°
17
79°
57°
18
75°
58°
19
77°
58°
20
78°
54°
21
75°
51°
22
71°
49°
23
70°
49°
24
72°
52°
25
72°
52°
26
71°
51°
27
72°
51°
28
73°
52°
29
74°
54°
30
75°
58°
31
78°
60°
1
75°
55°
2
76°
56°
3
78°
60°
4
78°
59°
5
80°
62°
6
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Underwood
Underwood's May 2026 forecast shows daily high temperatures ranging from 54° to 84°, with overnight lows between 36° and 63°. The average high for May is 72° 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 Underwood. See also: June | July | August.