S
M
T
W
T
F
S
28
82°
66°
29
86°
63°
30
90°
66°
1
99°
72°
2
101°
77°
3
102°
76°
4
98°
73°
5
91°
69°
6
78°
62°
7
80°
65°
8
83°
64°
9
83°
65°
10
87°
67°
11
90°
66°
12
88°
65°
13
90°
65°
14
87°
66°
15
88°
65°
16
81°
61°
17
84°
64°
18
84°
64°
19
88°
67°
20
88°
68°
21
82°
68°
22
82°
67°
23
84°
68°
24
83°
67°
25
83°
67°
26
84°
66°
27
86°
68°
28
86°
67°
29
85°
68°
30
88°
69°
31
88°
68°
1
86°
67°
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 78° to 102°, with overnight lows between 61° and 77°. The average high for July is 87° with an average low of 67°. 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.
