S
M
T
W
T
F
S
26
56°
35°
27
66°
37°
28
57°
43°
29
54°
43°
30
53°
39°
1
58°
35°
2
51°
36°
3
54°
33°
4
67°
38°
5
76°
54°
6
62°
43°
7
56°
39°
8
54°
34°
9
54°
42°
10
62°
44°
11
56°
40°
12
61°
27°
13
63°
48°
14
54°
42°
15
60°
42°
16
74°
58°
17
78°
54°
18
81°
63°
19
85°
61°
20
74°
54°
21
62°
44°
22
61°
45°
23
63°
46°
24
69°
50°
25
70°
52°
26
72°
56°
27
73°
48°
28
66°
47°
29
63°
50°
30
64°
53°
31
69°
50°
1
64°
47°
2
65°
46°
3
63°
46°
4
65°
47°
5
67°
55°
6
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lehigh
Lehigh's May 2026 forecast shows daily high temperatures ranging from 54° to 85°, with overnight lows between 42° and 63°. The average high for May is 68° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lehigh. See also: June | July | August.
