S
M
T
W
T
F
S
26
57°
42°
27
62°
35°
28
71°
36°
29
75°
41°
30
75°
41°
1
75°
41°
2
76°
41°
3
77°
51°
4
69°
44°
5
61°
39°
6
72°
46°
7
79°
49°
8
85°
54°
9
90°
53°
10
87°
55°
11
88°
57°
12
92°
59°
13
92°
61°
14
89°
59°
15
87°
57°
16
77°
47°
17
82°
54°
18
83°
55°
19
83°
54°
20
84°
55°
21
84°
56°
22
83°
56°
23
84°
55°
24
84°
55°
25
85°
56°
26
85°
56°
27
84°
55°
28
82°
56°
29
79°
55°
30
78°
55°
31
79°
56°
1
81°
56°
2
83°
57°
3
84°
57°
4
84°
58°
5
86°
59°
6
88°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prescott Valley
Prescott Valley's May 2026 forecast shows daily high temperatures ranging from 61° to 92°, with overnight lows between 39° and 61°. The average high for May is 83° with an average low of 54°. 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 Prescott Valley. See also: June | July | August.