S
M
T
W
T
F
S
28
84°
66°
29
89°
62°
30
91°
64°
1
97°
70°
2
102°
80°
3
100°
79°
4
100°
75°
5
93°
70°
6
78°
64°
7
77°
61°
8
81°
63°
9
85°
64°
10
87°
65°
11
87°
63°
12
88°
63°
13
88°
65°
14
86°
65°
15
88°
64°
16
82°
60°
17
86°
63°
18
85°
64°
19
88°
66°
20
88°
66°
21
83°
65°
22
83°
66°
23
84°
66°
24
83°
65°
25
85°
66°
26
86°
66°
27
87°
66°
28
86°
66°
29
86°
66°
30
88°
67°
31
88°
67°
1
89°
66°
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 77° to 102°, with overnight lows between 60° and 80°. The average high for July is 87° with an average low of 66°. 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.
