S
M
T
W
T
F
S
27
70°
52°
28
66°
60°
29
74°
58°
30
78°
62°
1
83°
61°
2
67°
49°
3
70°
54°
4
69°
56°
5
70°
53°
6
70°
53°
7
64°
48°
8
66°
47°
9
66°
48°
10
65°
46°
11
61°
45°
12
71°
51°
13
67°
40°
14
58°
39°
15
59°
39°
16
64°
44°
17
69°
47°
18
68°
45°
19
68°
49°
20
62°
48°
21
68°
40°
22
56°
37°
23
55°
36°
24
59°
43°
25
66°
47°
26
67°
38°
27
54°
34°
28
54°
38°
29
66°
46°
30
62°
47°
31
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Pittsburgh
Pittsburgh's October 2026 forecast shows daily high temperatures ranging from 54° to 83°, with overnight lows between 34° and 62°. The average high for October is 66° with an average low of 47°. 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 Pittsburgh. See also: November | December | January.