S
M
T
W
T
F
S
27
77°
43°
28
78°
46°
29
80°
45°
30
84°
54°
1
88°
65°
2
74°
51°
3
72°
47°
4
77°
44°
5
71°
44°
6
73°
39°
7
82°
43°
8
78°
44°
9
83°
44°
10
71°
50°
11
69°
50°
12
86°
48°
13
89°
63°
14
81°
66°
15
73°
62°
16
55°
38°
17
55°
33°
18
63°
37°
19
68°
40°
20
70°
42°
21
71°
46°
22
69°
48°
23
71°
49°
24
73°
50°
25
69°
50°
26
62°
45°
27
61°
47°
28
59°
44°
29
64°
41°
30
57°
41°
31
55°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Greensburg
Greensburg's October 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 33° and 50°. The average high for October is 64° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Greensburg. See also: November | December | January.
