S
M
T
W
T
F
S
29
57°
23°
30
71°
36°
31
80°
55°
1
77°
50°
2
50°
40°
3
61°
40°
4
79°
43°
5
56°
42°
6
54°
38°
7
46°
25°
8
52°
27°
9
57°
35°
10
71°
46°
11
61°
35°
12
63°
45°
13
76°
55°
14
77°
56°
15
69°
46°
16
62°
41°
17
61°
45°
18
64°
44°
19
65°
41°
20
60°
39°
21
66°
45°
22
68°
47°
23
69°
46°
24
70°
44°
25
68°
39°
26
59°
40°
27
58°
37°
28
60°
39°
29
60°
36°
30
58°
36°
1
61°
39°
2
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lehigh Valley
Lehigh Valley's April 2026 forecast shows daily high temperatures ranging from 46° to 77°, with overnight lows between 25° and 56°. The average high for April is 63° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Lehigh Valley. See also: May | June | July.
