S
M
T
W
T
F
S
26
81°
59°
27
79°
57°
28
77°
63°
29
83°
62°
30
77°
55°
1
68°
57°
2
65°
46°
3
69°
45°
4
72°
49°
5
78°
53°
6
79°
58°
7
77°
58°
8
74°
54°
9
75°
55°
10
77°
54°
11
78°
55°
12
82°
58°
13
82°
59°
14
83°
59°
15
75°
53°
16
74°
52°
17
74°
53°
18
76°
53°
19
77°
55°
20
79°
58°
21
82°
60°
22
83°
61°
23
83°
62°
24
84°
63°
25
84°
63°
26
85°
62°
27
83°
62°
28
80°
63°
29
80°
63°
30
79°
64°
31
82°
64°
1
81°
63°
2
81°
65°
3
82°
65°
4
81°
64°
5
81°
65°
6
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Valley
Valley's May 2026 forecast shows daily high temperatures ranging from 65° to 85°, with overnight lows between 45° and 65°. The average high for May is 79° with an average low of 58°. 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 Valley. See also: June | July | August.
