S
M
T
W
T
F
S
26
75°
62°
27
75°
61°
28
78°
63°
29
80°
63°
30
77°
62°
31
76°
63°
1
79°
62°
2
78°
63°
3
76°
63°
4
80°
62°
5
75°
61°
6
77°
62°
7
79°
61°
8
75°
58°
9
73°
57°
10
74°
59°
11
74°
61°
12
75°
61°
13
78°
62°
14
80°
62°
15
80°
61°
16
74°
57°
17
74°
51°
18
75°
52°
19
78°
60°
20
77°
58°
21
80°
60°
22
79°
56°
23
76°
53°
24
73°
51°
25
74°
56°
26
74°
52°
27
73°
51°
28
75°
53°
29
78°
56°
30
80°
56°
31
80°
58°
1
79°
58°
2
79°
55°
3
78°
48°
4
71°
47°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Carnegie
Carnegie's August 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 47° and 63°. The average high for August is 76° with an average low of 58°. 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 Carnegie. See also: September | October | November.
