S
M
T
W
T
F
S
26
63°
39°
27
72°
39°
28
66°
43°
29
64°
48°
30
59°
46°
1
63°
39°
2
57°
46°
3
59°
39°
4
72°
53°
5
82°
60°
6
68°
50°
7
61°
41°
8
61°
43°
9
59°
45°
10
61°
49°
11
63°
47°
12
62°
48°
13
64°
46°
14
64°
51°
15
63°
49°
16
66°
52°
17
69°
50°
18
75°
55°
19
74°
54°
20
72°
55°
21
72°
53°
22
73°
49°
23
67°
47°
24
66°
48°
25
68°
48°
26
68°
51°
27
69°
49°
28
69°
49°
29
70°
50°
30
69°
50°
31
70°
58°
1
72°
55°
2
71°
51°
3
71°
56°
4
75°
59°
5
73°
55°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cornwall-on-Hudson
Cornwall-on-Hudson's May 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 41° and 60°. The average high for May is 69° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Cornwall-on-Hudson. See also: June | July | August.
