S
M
T
W
T
F
S
26
62°
44°
27
67°
33°
28
73°
33°
29
76°
36°
30
77°
40°
1
76°
45°
2
78°
47°
3
77°
51°
4
68°
46°
5
58°
38°
6
70°
46°
7
76°
49°
8
81°
56°
9
86°
59°
10
94°
56°
11
92°
59°
12
93°
60°
13
95°
62°
14
94°
58°
15
89°
57°
16
90°
48°
17
83°
49°
18
84°
49°
19
84°
48°
20
85°
50°
21
86°
50°
22
86°
50°
23
85°
50°
24
86°
50°
25
86°
49°
26
85°
50°
27
86°
50°
28
81°
49°
29
79°
48°
30
80°
47°
31
79°
49°
1
80°
49°
2
82°
50°
3
83°
51°
4
82°
51°
5
83°
52°
6
88°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wonder Valley
Wonder Valley's May 2026 forecast shows daily high temperatures ranging from 58° to 95°, with overnight lows between 38° and 62°. The average high for May is 83° with an average low of 51°. 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 Wonder Valley. See also: June | July | August.