S
M
T
W
T
F
S
26
87°
73°
27
91°
75°
28
93°
74°
29
87°
70°
30
73°
65°
1
62°
50°
2
75°
50°
3
80°
59°
4
82°
68°
5
83°
72°
6
83°
58°
7
75°
55°
8
78°
61°
9
80°
66°
10
85°
66°
11
87°
67°
12
84°
64°
13
85°
66°
14
86°
63°
15
85°
67°
16
84°
67°
17
86°
68°
18
86°
68°
19
85°
67°
20
85°
68°
21
84°
68°
22
81°
65°
23
83°
68°
24
85°
69°
25
83°
68°
26
83°
65°
27
84°
64°
28
85°
67°
29
86°
69°
30
87°
67°
31
89°
68°
1
88°
65°
2
88°
67°
3
87°
68°
4
89°
69°
5
91°
71°
6
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Willis
Willis's May 2026 forecast shows daily high temperatures ranging from 62° to 91°, with overnight lows between 50° and 72°. The average high for May is 84° 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 Willis. See also: June | July | August.
