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