S
M
T
W
T
F
S
28
81°
62°
29
87°
64°
30
88°
63°
1
87°
61°
2
83°
60°
3
82°
59°
4
83°
60°
5
83°
65°
6
86°
61°
7
84°
60°
8
84°
59°
9
85°
60°
10
83°
63°
11
83°
66°
12
85°
63°
13
89°
61°
14
84°
61°
15
84°
60°
16
85°
61°
17
84°
61°
18
84°
66°
19
85°
66°
20
89°
65°
21
87°
67°
22
89°
66°
23
90°
67°
24
89°
66°
25
89°
66°
26
85°
60°
27
84°
59°
28
83°
60°
29
83°
60°
30
84°
61°
31
83°
60°
1
83°
60°
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 81° to 90°, with overnight lows between 59° and 67°. The average high for July is 85° with an average low of 62°. 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.
