S
M
T
W
T
F
S
26
88°
66°
27
87°
62°
28
88°
64°
29
87°
68°
30
86°
68°
31
89°
61°
1
87°
61°
2
84°
69°
3
88°
67°
4
88°
65°
5
82°
63°
6
81°
61°
7
79°
59°
8
80°
59°
9
81°
61°
10
86°
61°
11
83°
62°
12
83°
61°
13
85°
64°
14
86°
66°
15
88°
66°
16
87°
65°
17
84°
61°
18
80°
57°
19
80°
58°
20
81°
60°
21
82°
65°
22
86°
65°
23
87°
66°
24
88°
65°
25
86°
61°
26
80°
61°
27
81°
57°
28
81°
62°
29
84°
63°
30
86°
57°
31
Hist. Avg.
79°
60°
1
Hist. Avg.
79°
60°
2
Hist. Avg.
79°
60°
3
Hist. Avg.
79°
60°
4
Hist. Avg.
78°
60°
5
Hist. Avg.
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Pittsburgh
Pittsburgh's August 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 57° and 69°. The average high for August is 84° with an average low of 63°. 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 Pittsburgh. See also: September | October | November.
