S
M
T
W
T
F
S
28
78°
55°
29
82°
57°
30
86°
68°
1
89°
71°
2
89°
72°
3
88°
73°
4
82°
66°
5
78°
65°
6
74°
62°
7
75°
63°
8
80°
59°
9
82°
62°
10
77°
64°
11
79°
60°
12
80°
63°
13
82°
65°
14
92°
71°
15
90°
62°
16
81°
60°
17
78°
58°
18
79°
61°
19
72°
58°
20
74°
59°
21
75°
59°
22
75°
58°
23
76°
60°
24
75°
61°
25
73°
68°
26
81°
64°
27
75°
60°
28
77°
60°
29
74°
58°
30
74°
62°
31
75°
62°
1
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Allentown
Allentown's July 2026 forecast shows daily high temperatures ranging from 72° to 92°, with overnight lows between 58° and 71°. The average high for July is 78° with an average low of 61°. 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 Allentown. See also: August | September | October.
