S
M
T
W
T
F
S
28
81°
61°
29
86°
63°
30
90°
68°
1
99°
73°
2
102°
72°
3
101°
70°
4
96°
70°
5
89°
65°
6
86°
64°
7
88°
63°
8
82°
62°
9
87°
63°
10
86°
63°
11
87°
61°
12
80°
63°
13
79°
57°
14
77°
57°
15
77°
58°
16
78°
58°
17
79°
59°
18
79°
59°
19
80°
63°
20
82°
64°
21
80°
64°
22
85°
65°
23
80°
64°
24
82°
64°
25
85°
64°
26
86°
65°
27
86°
65°
28
85°
64°
29
85°
64°
30
84°
58°
31
77°
58°
1
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lehigh Valley
Lehigh Valley's July 2026 forecast shows daily high temperatures ranging from 77° to 102°, with overnight lows between 57° and 73°. The average high for July is 85° with an average low of 63°. 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 Lehigh Valley. See also: August | September | October.
