S
M
T
W
T
F
S
26
77°
54°
27
82°
50°
28
81°
59°
29
68°
52°
30
64°
43°
1
64°
41°
2
61°
39°
3
66°
36°
4
81°
50°
5
73°
50°
6
61°
45°
7
63°
39°
8
71°
52°
9
73°
56°
10
73°
51°
11
66°
43°
12
62°
45°
13
69°
55°
14
74°
59°
15
76°
60°
16
77°
59°
17
75°
58°
18
76°
54°
19
78°
59°
20
80°
58°
21
77°
52°
22
73°
50°
23
71°
50°
24
73°
52°
25
71°
54°
26
74°
52°
27
73°
52°
28
75°
53°
29
76°
54°
30
77°
60°
31
79°
62°
1
77°
61°
2
78°
59°
3
78°
58°
4
79°
59°
5
80°
62°
6
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greensburg
Greensburg's May 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 39° and 64°. The average high for May is 74° with an average low of 54°. 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 Greensburg. See also: June | July | August.
