S
M
T
W
T
F
S
28
102°
77°
29
103°
75°
30
102°
74°
1
102°
75°
2
103°
78°
3
105°
79°
4
108°
80°
5
109°
83°
6
109°
83°
7
107°
82°
8
106°
84°
9
113°
86°
10
106°
80°
11
107°
80°
12
105°
78°
13
104°
80°
14
107°
80°
15
102°
78°
16
102°
80°
17
101°
76°
18
101°
75°
19
99°
75°
20
98°
76°
21
100°
75°
22
100°
76°
23
99°
75°
24
99°
75°
25
100°
76°
26
101°
77°
27
101°
78°
28
106°
80°
29
107°
77°
30
101°
78°
31
101°
79°
1
104°
81°
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 98° to 113°, with overnight lows between 74° and 86°. The average high for July is 103° with an average low of 78°. 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.
