S
M
T
W
T
F
S
26
64°
34°
27
70°
37°
28
63°
46°
29
68°
45°
30
70°
50°
1
68°
48°
2
66°
48°
3
61°
48°
4
64°
52°
5
61°
50°
6
59°
41°
7
59°
37°
8
64°
41°
9
70°
41°
10
57°
43°
11
57°
36°
12
61°
30°
13
59°
39°
14
57°
37°
15
55°
37°
16
57°
36°
17
61°
41°
18
55°
41°
19
61°
52°
20
64°
50°
21
70°
50°
22
77°
55°
23
80°
51°
24
84°
55°
25
86°
58°
26
88°
56°
27
77°
49°
28
70°
50°
29
74°
54°
30
73°
53°
31
68°
52°
1
69°
53°
2
68°
53°
3
69°
52°
4
61°
48°
5
62°
48°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Valley Park
Valley Park's May 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 47° and 58°. The average high for May is 73° 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 Valley Park. See also: June | July | August.