S
M
T
W
T
F
S
26
67°
32°
27
74°
34°
28
75°
44°
29
66°
52°
30
53°
42°
1
55°
37°
2
49°
40°
3
56°
38°
4
69°
45°
5
73°
47°
6
47°
42°
7
55°
42°
8
56°
39°
9
69°
35°
10
60°
46°
11
55°
40°
12
57°
38°
13
51°
41°
14
59°
46°
15
62°
51°
16
72°
53°
17
73°
48°
18
84°
68°
19
83°
68°
20
71°
40°
21
60°
38°
22
66°
45°
23
68°
51°
24
70°
52°
25
72°
51°
26
69°
50°
27
67°
53°
28
72°
53°
29
69°
48°
30
74°
52°
31
66°
51°
1
69°
51°
2
69°
54°
3
68°
54°
4
68°
55°
5
69°
55°
6
74°
54°
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 60° to 84°, with overnight lows between 38° and 68°. The average high for May is 71° with an average low of 52°. 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.
