S
M
T
W
T
F
S
31
73°
51°
1
71°
48°
2
73°
48°
3
74°
48°
4
80°
52°
5
79°
57°
6
78°
57°
7
80°
59°
8
82°
58°
9
81°
59°
10
84°
60°
11
84°
55°
12
77°
53°
13
77°
54°
14
79°
59°
15
74°
59°
16
77°
57°
17
78°
56°
18
77°
53°
19
73°
53°
20
75°
54°
21
75°
57°
22
76°
57°
23
77°
61°
24
77°
59°
25
79°
60°
26
77°
56°
27
76°
55°
28
77°
59°
29
83°
63°
30
84°
63°
1
84°
64°
2
83°
63°
3
78°
59°
4
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lehigh Valley
Lehigh Valley's June 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 48° and 64°. The average high for June is 78° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Lehigh Valley. See also: July | August | September.
