S
M
T
W
T
F
S
26
64°
45°
27
80°
40°
28
78°
55°
29
69°
52°
30
N/A
1
59°
38°
2
54°
34°
3
61°
45°
4
70°
56°
5
73°
52°
6
62°
44°
7
61°
39°
8
60°
44°
9
68°
47°
10
70°
49°
11
72°
53°
12
73°
54°
13
71°
52°
14
69°
51°
15
72°
55°
16
70°
54°
17
73°
56°
18
78°
57°
19
78°
58°
20
76°
58°
21
79°
59°
22
79°
59°
23
78°
58°
24
75°
55°
25
73°
57°
26
79°
60°
27
79°
58°
28
75°
59°
29
77°
59°
30
74°
55°
31
78°
59°
1
75°
56°
2
77°
60°
3
78°
55°
4
74°
53°
5
74°
53°
6
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarktown
Clarktown's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 34° and 60°. The average high for May is 72° with an average low of 53°. 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 Clarktown. See also: June | July | August.