S
M
T
W
T
F
S
26
56°
40°
27
45°
38°
28
58°
35°
29
63°
39°
30
64°
41°
1
68°
46°
2
75°
44°
3
79°
50°
4
77°
57°
5
62°
53°
6
65°
43°
7
77°
50°
8
79°
50°
9
75°
49°
10
82°
50°
11
92°
55°
12
93°
60°
13
90°
61°
14
75°
52°
15
79°
48°
16
69°
51°
17
58°
44°
18
55°
41°
19
65°
39°
20
71°
45°
21
71°
54°
22
73°
46°
23
82°
61°
24
87°
59°
25
90°
64°
26
87°
55°
27
81°
54°
28
82°
55°
29
76°
55°
30
79°
56°
31
84°
57°
1
87°
63°
2
89°
65°
3
88°
63°
4
89°
64°
5
81°
56°
6
82°
56°
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 76° to 90°, with overnight lows between 54° and 65°. The average high for May is 84° with an average low of 59°. 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.
