S
M
T
W
T
F
S
28
95°
81°
29
97°
80°
30
99°
80°
1
98°
79°
2
98°
78°
3
97°
78°
4
99°
80°
5
98°
77°
6
108°
78°
7
93°
75°
8
93°
76°
9
94°
78°
10
94°
79°
11
95°
79°
12
97°
78°
13
97°
78°
14
98°
76°
15
98°
79°
16
99°
79°
17
99°
78°
18
98°
78°
19
99°
79°
20
99°
79°
21
98°
78°
22
99°
79°
23
99°
79°
24
98°
78°
25
99°
79°
26
99°
79°
27
98°
78°
28
100°
79°
29
100°
79°
30
99°
80°
31
100°
80°
1
100°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in McAllen
McAllen's July 2026 forecast shows daily high temperatures ranging from 93° to 108°, with overnight lows between 75° and 81°. The average high for July is 98° with an average low of 79°. 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 McAllen. See also: August | September | October.
