S
M
T
W
T
F
S
29
56°
23°
30
73°
43°
31
71°
55°
1
59°
38°
2
41°
34°
3
61°
38°
4
60°
42°
5
48°
39°
6
46°
29°
7
40°
27°
8
51°
29°
9
59°
36°
10
70°
44°
11
57°
34°
12
62°
47°
13
70°
60°
14
80°
56°
15
62°
43°
16
58°
42°
17
55°
43°
18
62°
45°
19
63°
47°
20
63°
48°
21
72°
39°
22
61°
42°
23
55°
38°
24
57°
44°
25
57°
45°
26
58°
44°
27
57°
42°
28
59°
41°
29
58°
40°
30
61°
42°
1
61°
47°
2
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Castleton-on-Hudson
Castleton-on-Hudson's April 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 29° and 60°. The average high for April is 61° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Castleton-on-Hudson. See also: May | June | July.
