S
M
T
W
T
F
S
26
59°
37°
27
52°
37°
28
54°
34°
29
57°
39°
30
62°
43°
1
60°
42°
2
63°
40°
3
56°
41°
4
57°
36°
5
56°
34°
6
57°
43°
7
60°
45°
8
63°
43°
9
62°
39°
10
59°
37°
11
62°
44°
12
60°
42°
13
60°
44°
14
61°
44°
15
61°
46°
16
63°
48°
17
70°
48°
18
68°
44°
19
61°
42°
20
62°
42°
21
66°
49°
22
65°
41°
23
66°
41°
24
70°
42°
25
71°
49°
26
74°
42°
27
71°
43°
28
74°
50°
29
75°
47°
30
71°
46°
31
68°
51°
1
68°
52°
2
70°
45°
3
67°
44°
4
69°
53°
5
78°
54°
6
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Valley
West Valley's May 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 34° and 54°. The average high for May is 64° with an average low of 44°. 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 West Valley. See also: June | July | August.
