S
M
T
W
T
F
S
26
83°
62°
27
82°
63°
28
78°
62°
29
80°
61°
30
78°
61°
31
78°
64°
1
79°
62°
2
78°
59°
3
79°
59°
4
79°
62°
5
77°
63°
6
78°
64°
7
78°
63°
8
79°
61°
9
78°
60°
10
79°
64°
11
81°
63°
12
79°
62°
13
78°
60°
14
80°
64°
15
82°
58°
16
77°
57°
17
76°
57°
18
76°
56°
19
75°
59°
20
76°
59°
21
77°
57°
22
75°
56°
23
75°
57°
24
76°
61°
25
75°
60°
26
75°
62°
27
77°
61°
28
75°
60°
29
77°
59°
30
82°
57°
31
83°
59°
1
83°
58°
2
82°
60°
3
82°
60°
4
81°
59°
5
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Castleton-on-Hudson
Castleton-on-Hudson's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 56° and 64°. The average high for August is 79° with an average low of 60°. 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 Castleton-on-Hudson. See also: September | October | November.
