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