S
M
T
W
T
F
S
26
85°
66°
27
82°
61°
28
81°
60°
29
82°
64°
30
85°
65°
31
84°
62°
1
85°
59°
2
82°
59°
3
81°
60°
4
82°
59°
5
81°
60°
6
81°
61°
7
82°
63°
8
81°
62°
9
80°
66°
10
82°
66°
11
81°
65°
12
81°
61°
13
85°
65°
14
88°
58°
15
81°
58°
16
81°
59°
17
86°
64°
18
86°
58°
19
82°
59°
20
80°
57°
21
81°
58°
22
82°
58°
23
80°
64°
24
79°
58°
25
79°
62°
26
85°
65°
27
85°
65°
28
86°
64°
29
87°
61°
30
87°
55°
31
79°
59°
1
79°
57°
2
80°
62°
3
84°
62°
4
83°
55°
5
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McKees Rocks
McKees Rocks's August 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 55° and 66°. The average high for August is 82° with an average low of 61°. 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 McKees Rocks. See also: September | October | November.
