S
M
T
W
T
F
S
26
70°
51°
27
72°
41°
28
77°
40°
29
80°
47°
30
85°
45°
1
87°
53°
2
90°
53°
3
83°
56°
4
74°
50°
5
73°
43°
6
86°
44°
7
95°
53°
8
98°
55°
9
97°
56°
10
101°
56°
11
101°
65°
12
101°
57°
13
94°
61°
14
95°
55°
15
98°
59°
16
91°
68°
17
86°
56°
18
78°
53°
19
77°
51°
20
83°
56°
21
88°
54°
22
89°
53°
23
90°
57°
24
87°
60°
25
86°
61°
26
83°
52°
27
81°
53°
28
89°
59°
29
84°
59°
30
85°
61°
31
89°
61°
1
86°
57°
2
89°
62°
3
90°
62°
4
90°
61°
5
89°
63°
6
90°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Red Mountain
Red Mountain's May 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 51° and 63°. The average high for May is 87° with an average low of 58°. 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 Red Mountain. See also: June | July | August.
