S
M
T
W
T
F
S
28
84°
66°
29
89°
62°
30
91°
64°
1
97°
70°
2
103°
76°
3
103°
74°
4
100°
73°
5
91°
73°
6
78°
68°
7
75°
67°
8
85°
67°
9
82°
67°
10
87°
74°
11
85°
68°
12
86°
65°
13
88°
62°
14
91°
66°
15
96°
71°
16
96°
68°
17
92°
68°
18
82°
71°
19
86°
64°
20
87°
64°
21
84°
65°
22
86°
62°
23
82°
60°
24
82°
61°
25
84°
61°
26
85°
62°
27
84°
62°
28
82°
63°
29
86°
62°
30
82°
63°
31
82°
66°
1
87°
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 82° to 96°, with overnight lows between 60° and 71°. The average high for July is 86° 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.
