S
M
T
W
T
F
S
26
62°
45°
27
74°
41°
28
76°
54°
29
58°
49°
30
53°
38°
1
49°
36°
2
47°
35°
3
61°
30°
4
73°
48°
5
73°
58°
6
60°
45°
7
60°
37°
8
60°
41°
9
70°
51°
10
64°
44°
11
65°
37°
12
69°
39°
13
71°
47°
14
61°
41°
15
70°
35°
16
72°
48°
17
83°
65°
18
88°
69°
19
85°
63°
20
65°
44°
21
62°
51°
22
68°
54°
23
72°
57°
24
73°
60°
25
72°
59°
26
74°
58°
27
73°
54°
28
74°
57°
29
73°
56°
30
76°
54°
31
77°
59°
1
75°
59°
2
76°
60°
3
77°
59°
4
71°
58°
5
71°
58°
6
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waynesburg
Waynesburg's May 2026 forecast shows daily high temperatures ranging from 62° to 88°, with overnight lows between 44° and 69°. The average high for May is 74° with an average low of 58°. 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 Waynesburg. See also: June | July | August.
