S
M
T
W
T
F
S
26
60°
43°
27
73°
42°
28
69°
51°
29
54°
45°
30
54°
40°
1
45°
36°
2
42°
33°
3
59°
31°
4
73°
48°
5
68°
47°
6
56°
41°
7
56°
39°
8
59°
42°
9
69°
51°
10
60°
43°
11
62°
38°
12
66°
40°
13
63°
43°
14
61°
42°
15
69°
36°
16
73°
53°
17
83°
59°
18
86°
66°
19
86°
65°
20
67°
48°
21
64°
46°
22
60°
47°
23
73°
55°
24
70°
53°
25
72°
56°
26
78°
52°
27
75°
57°
28
72°
48°
29
77°
44°
30
67°
46°
31
74°
50°
1
74°
52°
2
73°
52°
3
77°
51°
4
79°
58°
5
80°
59°
6
77°
58°
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 67° to 80°, with overnight lows between 46° and 59°. The average high for May is 75° with an average low of 53°. 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.
