S
M
T
W
T
F
S
28
85°
65°
29
81°
62°
30
82°
60°
1
80°
60°
2
81°
62°
3
83°
67°
4
86°
67°
5
83°
62°
6
82°
61°
7
82°
63°
8
83°
67°
9
85°
68°
10
88°
68°
11
88°
67°
12
87°
66°
13
90°
67°
14
90°
62°
15
85°
61°
16
84°
62°
17
85°
61°
18
84°
64°
19
84°
67°
20
85°
63°
21
89°
68°
22
89°
63°
23
83°
62°
24
86°
62°
25
89°
63°
26
88°
65°
27
87°
64°
28
89°
62°
29
84°
62°
30
82°
68°
31
85°
64°
1
88°
62°
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 80° to 90°, with overnight lows between 60° and 68°. The average high for July is 85° 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 July weather will actually feel in Allentown. See also: August | September | October.
