S
M
T
W
T
F
S
26
74°
43°
27
71°
45°
28
74°
48°
29
68°
50°
30
57°
38°
1
65°
30°
2
51°
37°
3
57°
31°
4
69°
35°
5
74°
38°
6
67°
54°
7
59°
41°
8
66°
31°
9
69°
37°
10
75°
40°
11
62°
39°
12
70°
31°
13
68°
37°
14
50°
41°
15
67°
37°
16
74°
42°
17
83°
50°
18
87°
54°
19
86°
55°
20
84°
56°
21
74°
57°
22
57°
52°
23
56°
50°
24
75°
53°
25
73°
61°
26
77°
64°
27
80°
63°
28
76°
52°
29
78°
44°
30
76°
45°
31
75°
55°
1
75°
54°
2
69°
46°
3
72°
49°
4
75°
53°
5
81°
57°
6
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lewisburg
Lewisburg's May 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 45° and 58°. The average high for May is 76° with an average low of 52°. 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 Lewisburg. See also: June | July | August.