S
M
T
W
T
F
S
26
81°
58°
27
85°
64°
28
79°
66°
29
80°
65°
30
78°
66°
31
85°
68°
1
83°
65°
2
81°
71°
3
N/A
4
85°
67°
5
79°
71°
6
87°
71°
7
86°
69°
8
86°
66°
9
85°
69°
10
89°
68°
11
86°
67°
12
84°
66°
13
82°
64°
14
80°
64°
15
81°
61°
16
78°
60°
17
77°
62°
18
85°
61°
19
85°
66°
20
84°
64°
21
83°
61°
22
83°
65°
23
85°
66°
24
86°
66°
25
85°
65°
26
83°
65°
27
78°
64°
28
80°
64°
29
81°
63°
30
82°
64°
31
82°
63°
1
83°
60°
2
76°
56°
3
74°
56°
4
75°
56°
5
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in West Chester
West Chester's August 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 55° and 71°. 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 West Chester. See also: September | October | November.
