S
M
T
W
T
F
S
26
82°
63°
27
84°
68°
28
86°
66°
29
87°
62°
30
86°
62°
31
80°
63°
1
81°
61°
2
82°
62°
3
81°
61°
4
82°
62°
5
81°
65°
6
81°
62°
7
82°
67°
8
83°
68°
9
81°
68°
10
82°
67°
11
80°
66°
12
86°
64°
13
86°
66°
14
85°
66°
15
85°
63°
16
84°
66°
17
82°
59°
18
79°
60°
19
79°
59°
20
81°
61°
21
79°
66°
22
84°
65°
23
85°
65°
24
83°
66°
25
83°
65°
26
84°
65°
27
76°
60°
28
Hist. Avg.
80°
62°
29
Hist. Avg.
79°
62°
30
Hist. Avg.
79°
62°
31
Hist. Avg.
79°
61°
1
Hist. Avg.
79°
61°
2
Hist. Avg.
78°
61°
3
Hist. Avg.
78°
61°
4
Hist. Avg.
78°
60°
5
Hist. Avg.
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Port Chester
Port Chester's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 59° and 68°. 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 Port Chester. See also: September | October | November.
