S
M
T
W
T
F
S
28
100°
74°
29
99°
73°
30
100°
76°
1
104°
77°
2
107°
78°
3
108°
78°
4
108°
79°
5
107°
78°
6
107°
77°
7
103°
75°
8
103°
77°
9
104°
76°
10
103°
74°
11
105°
75°
12
102°
74°
13
104°
74°
14
106°
75°
15
108°
75°
16
108°
76°
17
107°
76°
18
109°
79°
19
109°
74°
20
101°
79°
21
108°
82°
22
109°
81°
23
109°
81°
24
108°
80°
25
106°
76°
26
108°
77°
27
108°
77°
28
107°
79°
29
108°
76°
30
104°
75°
31
102°
76°
1
101°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Summer Mesa
Summer Mesa's July 2026 forecast shows daily high temperatures ranging from 99° to 109°, with overnight lows between 73° and 82°. The average high for July is 105° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Summer Mesa. See also: August | September | October.
