S
M
T
W
T
F
S
26
84°
66°
27
91°
68°
28
84°
66°
29
88°
65°
30
85°
70°
1
87°
70°
2
86°
68°
3
80°
63°
4
86°
64°
5
89°
66°
6
90°
66°
7
89°
67°
8
90°
69°
9
92°
72°
10
92°
74°
11
92°
74°
12
90°
74°
13
92°
70°
14
88°
65°
15
93°
67°
16
93°
69°
17
95°
70°
18
92°
68°
19
91°
69°
20
90°
70°
21
89°
71°
22
92°
70°
23
91°
71°
24
91°
71°
25
89°
70°
26
87°
68°
27
90°
71°
28
89°
70°
29
90°
72°
30
90°
72°
31
89°
71°
1
90°
72°
2
88°
72°
3
88°
71°
4
87°
72°
5
87°
73°
6
88°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Willow
Willow's May 2026 forecast shows daily high temperatures ranging from 87° to 95°, with overnight lows between 65° and 73°. The average high for May is 90° with an average low of 70°. 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 Willow. See also: June | July | August.