S
M
T
W
T
F
S
28
79°
59°
29
79°
55°
30
81°
57°
1
80°
56°
2
80°
56°
3
78°
55°
4
77°
57°
5
80°
63°
6
80°
57°
7
81°
57°
8
83°
61°
9
80°
63°
10
79°
64°
11
80°
62°
12
82°
60°
13
85°
62°
14
87°
64°
15
86°
63°
16
87°
64°
17
80°
63°
18
82°
64°
19
87°
63°
20
87°
60°
21
86°
65°
22
87°
65°
23
86°
62°
24
84°
58°
25
80°
58°
26
78°
64°
27
79°
64°
28
81°
63°
29
85°
62°
30
86°
64°
31
85°
63°
1
86°
64°
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 87°, with overnight lows between 55° and 65°. The average high for July is 82° with an average low of 61°. 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.
