S
M
T
W
T
F
S
26
81°
67°
27
82°
68°
28
84°
68°
29
86°
67°
30
82°
68°
31
83°
68°
1
82°
67°
2
81°
68°
3
84°
69°
4
87°
67°
5
82°
67°
6
81°
68°
7
84°
67°
8
80°
61°
9
79°
60°
10
79°
61°
11
80°
66°
12
79°
67°
13
83°
67°
14
85°
68°
15
83°
66°
16
81°
63°
17
80°
58°
18
81°
58°
19
85°
66°
20
86°
65°
21
80°
66°
22
81°
65°
23
86°
65°
24
83°
64°
25
79°
63°
26
78°
58°
27
77°
59°
28
77°
62°
29
78°
62°
30
83°
63°
31
84°
64°
1
84°
64°
2
83°
63°
3
84°
56°
4
76°
54°
5
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swissvale
Swissvale's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 54° and 69°. The average high for August is 82° with an average low of 64°. 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 Swissvale. See also: September | October | November.
