S
M
T
W
T
F
S
26
62°
40°
27
71°
37°
28
66°
45°
29
61°
46°
30
58°
36°
1
54°
36°
2
52°
35°
3
55°
36°
4
61°
42°
5
62°
45°
6
60°
46°
7
61°
43°
8
58°
42°
9
57°
43°
10
59°
42°
11
60°
50°
12
64°
47°
13
65°
44°
14
64°
42°
15
63°
42°
16
62°
43°
17
62°
42°
18
64°
43°
19
70°
48°
20
67°
45°
21
65°
44°
22
65°
45°
23
66°
44°
24
67°
47°
25
70°
53°
26
72°
48°
27
66°
46°
28
67°
46°
29
70°
52°
30
77°
55°
31
77°
52°
1
76°
55°
2
78°
57°
3
79°
58°
4
80°
56°
5
78°
51°
6
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallkill
Wallkill's May 2026 forecast shows daily high temperatures ranging from 52° to 80°, with overnight lows between 35° and 58°. The average high for May is 66° with an average low of 46°. 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 Wallkill. See also: June | July | August.
