S
M
T
W
T
F
S
26
79°
58°
27
84°
62°
28
81°
67°
29
77°
63°
30
80°
55°
31
83°
53°
1
80°
62°
2
80°
69°
3
79°
60°
4
87°
54°
5
88°
67°
6
85°
68°
7
85°
66°
8
84°
66°
9
69°
69°
10
82°
68°
11
72°
65°
12
76°
67°
13
81°
62°
14
74°
65°
15
82°
63°
16
84°
70°
17
82°
70°
18
81°
61°
19
N/A
20
75°
62°
21
82°
63°
22
80°
60°
23
76°
55°
24
77°
56°
25
78°
57°
26
78°
58°
27
79°
59°
28
79°
60°
29
77°
58°
30
78°
59°
31
79°
60°
1
77°
57°
2
78°
59°
3
75°
61°
4
76°
61°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Canonsburg
Canonsburg's August 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 55° and 63°. The average high for August is 78° with an average low of 59°. 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 Canonsburg. See also: September | October | November.
