S
M
T
W
T
F
S
26
75°
53°
27
80°
45°
28
85°
45°
29
83°
54°
30
86°
53°
1
82°
53°
2
85°
52°
3
85°
64°
4
81°
57°
5
72°
51°
6
76°
45°
7
84°
47°
8
91°
56°
9
97°
62°
10
99°
65°
11
103°
72°
12
96°
68°
13
94°
63°
14
96°
62°
15
95°
63°
16
98°
61°
17
97°
63°
18
99°
62°
19
97°
63°
20
98°
63°
21
95°
62°
22
93°
60°
23
94°
64°
24
95°
63°
25
94°
61°
26
90°
59°
27
89°
59°
28
89°
66°
29
90°
61°
30
93°
60°
31
89°
59°
1
90°
62°
2
92°
66°
3
96°
68°
4
99°
69°
5
100°
68°
6
99°
69°
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 89° to 103°, with overnight lows between 59° and 72°. The average high for May is 95° with an average low of 64°. 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.
