S
M
T
W
T
F
S
26
87°
64°
27
100°
58°
28
90°
57°
29
92°
63°
30
84°
60°
1
86°
57°
2
83°
53°
3
83°
55°
4
84°
56°
5
89°
62°
6
94°
63°
7
96°
64°
8
95°
65°
9
96°
66°
10
97°
65°
11
96°
65°
12
95°
64°
13
93°
60°
14
88°
57°
15
89°
59°
16
92°
62°
17
91°
62°
18
88°
58°
19
89°
61°
20
93°
64°
21
99°
69°
22
99°
67°
23
93°
65°
24
94°
66°
25
92°
60°
26
95°
68°
27
98°
67°
28
99°
70°
29
103°
71°
30
104°
72°
31
104°
72°
1
106°
71°
2
107°
69°
3
102°
70°
4
104°
70°
5
105°
70°
6
105°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Summer Mesa
Summer Mesa's May 2026 forecast shows daily high temperatures ranging from 83° to 107°, with overnight lows between 53° and 72°. The average high for May is 95° with an average low of 64°. 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 Summer Mesa. See also: June | July | August.
