S
M
T
W
T
F
S
26
80°
65°
27
88°
61°
28
86°
68°
29
81°
62°
30
85°
56°
31
86°
60°
1
83°
67°
2
79°
66°
3
82°
61°
4
85°
57°
5
86°
63°
6
87°
66°
7
86°
69°
8
89°
68°
9
88°
68°
10
90°
71°
11
82°
67°
12
70°
65°
13
88°
64°
14
85°
71°
15
89°
72°
16
93°
72°
17
85°
64°
18
83°
62°
19
87°
65°
20
78°
59°
21
78°
57°
22
79°
59°
23
82°
61°
24
86°
65°
25
88°
62°
26
84°
63°
27
83°
61°
28
81°
60°
29
80°
58°
30
83°
59°
31
83°
62°
1
85°
64°
2
84°
63°
3
78°
59°
4
77°
55°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westchester
Westchester's August 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 55° and 72°. The average high for August is 83° with an average low of 62°. 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 Westchester. See also: September | October | November.
