S
M
T
W
T
F
S
26
88°
74°
27
89°
74°
28
88°
73°
29
85°
74°
30
84°
73°
31
88°
74°
1
88°
74°
2
89°
73°
3
88°
73°
4
89°
74°
5
88°
72°
6
84°
73°
7
83°
69°
8
84°
67°
9
83°
67°
10
82°
68°
11
82°
72°
12
86°
73°
13
88°
72°
14
87°
66°
15
82°
66°
16
81°
70°
17
83°
72°
18
81°
66°
19
84°
66°
20
83°
67°
21
84°
66°
22
85°
66°
23
85°
65°
24
84°
65°
25
83°
66°
26
84°
69°
27
85°
70°
28
82°
69°
29
85°
72°
30
85°
68°
31
84°
62°
1
81°
62°
2
78°
63°
3
77°
63°
4
78°
62°
5
77°
62°
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 89°, with overnight lows between 62° and 74°. The average high for August is 84° with an average low of 69°. 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.
