S
M
T
W
T
F
S
26
68°
51°
27
67°
52°
28
66°
44°
29
59°
41°
30
60°
40°
1
59°
40°
2
66°
48°
3
72°
51°
4
72°
52°
5
66°
42°
6
60°
41°
7
62°
43°
8
64°
43°
9
64°
44°
10
70°
44°
11
73°
47°
12
75°
51°
13
76°
52°
14
75°
50°
15
76°
54°
16
77°
50°
17
66°
45°
18
66°
45°
19
67°
47°
20
68°
50°
21
67°
47°
22
68°
52°
23
68°
51°
24
69°
47°
25
66°
47°
26
67°
48°
27
68°
47°
28
71°
48°
29
80°
54°
30
80°
50°
31
72°
50°
1
75°
53°
2
74°
52°
3
75°
51°
4
79°
49°
5
77°
49°
6
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Valley City
West Valley City's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 40° and 54°. The average high for May is 70° with an average low of 48°. 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 City. See also: June | July | August.