S
M
T
W
T
F
S
26
79°
61°
27
82°
64°
28
79°
68°
29
77°
63°
30
81°
57°
31
82°
57°
1
84°
63°
2
82°
70°
3
79°
63°
4
86°
57°
5
86°
70°
6
86°
68°
7
82°
66°
8
82°
68°
9
82°
68°
10
81°
68°
11
73°
68°
12
77°
66°
13
81°
66°
14
77°
66°
15
84°
66°
16
84°
70°
17
84°
70°
18
79°
63°
19
77°
59°
20
72°
61°
21
79°
59°
22
84°
57°
23
75°
63°
24
72°
55°
25
75°
61°
26
81°
62°
27
80°
63°
28
80°
57°
29
81°
61°
30
85°
66°
31
88°
65°
1
87°
67°
2
85°
64°
3
84°
63°
4
84°
63°
5
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greensburg
Greensburg's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 56° and 67°. The average high for August is 83° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Greensburg. See also: September | October | November.
