S
M
T
W
T
F
S
26
85°
61°
27
86°
61°
28
76°
67°
29
81°
65°
30
73°
60°
1
65°
57°
2
72°
48°
3
74°
44°
4
81°
46°
5
79°
53°
6
80°
67°
7
74°
59°
8
68°
54°
9
77°
60°
10
81°
59°
11
80°
63°
12
81°
59°
13
83°
55°
14
80°
54°
15
82°
50°
16
85°
56°
17
88°
58°
18
89°
64°
19
89°
69°
20
88°
68°
21
84°
68°
22
83°
69°
23
83°
66°
24
85°
69°
25
84°
69°
26
85°
71°
27
81°
67°
28
86°
69°
29
86°
68°
30
85°
68°
31
85°
66°
1
91°
75°
2
92°
70°
3
90°
71°
4
86°
69°
5
87°
69°
6
89°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Green Valley
Green Valley's May 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 66° and 75°. The average high for May is 86° with an average low of 69°. 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 Green Valley. See also: June | July | August.
