S
M
T
W
T
F
S
26
54°
40°
27
66°
40°
28
64°
41°
29
62°
45°
30
58°
46°
1
64°
42°
2
59°
46°
3
58°
42°
4
71°
48°
5
77°
51°
6
66°
53°
7
62°
46°
8
60°
43°
9
64°
48°
10
68°
50°
11
60°
47°
12
65°
40°
13
68°
46°
14
65°
51°
15
65°
47°
16
77°
46°
17
87°
62°
18
84°
62°
19
93°
64°
20
89°
64°
21
64°
54°
22
64°
52°
23
54°
49°
24
54°
52°
25
74°
57°
26
80°
59°
27
81°
60°
28
75°
51°
29
74°
55°
30
70°
52°
31
68°
54°
1
72°
55°
2
70°
55°
3
76°
58°
4
75°
60°
5
78°
61°
6
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Armonk
Armonk's May 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 51° and 61°. The average high for May is 73° with an average low of 56°. 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 Armonk. See also: June | July | August.
