S
M
T
W
T
F
S
28
84°
66°
29
87°
63°
30
90°
65°
1
97°
68°
2
101°
74°
3
99°
72°
4
96°
72°
5
86°
70°
6
74°
66°
7
75°
65°
8
86°
60°
9
85°
67°
10
84°
67°
11
83°
68°
12
85°
62°
13
85°
63°
14
95°
71°
15
99°
67°
16
92°
61°
17
87°
63°
18
88°
66°
19
82°
62°
20
83°
61°
21
81°
61°
22
79°
60°
23
81°
62°
24
82°
62°
25
80°
61°
26
84°
64°
27
80°
60°
28
81°
64°
29
82°
60°
30
79°
62°
31
79°
63°
1
80°
61°
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 79° to 99°, with overnight lows between 60° and 71°. The average high for July is 84° 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.
