S
M
T
W
T
F
S
26
58°
28°
27
63°
26°
28
62°
25°
29
55°
36°
30
58°
37°
1
54°
39°
2
61°
41°
3
48°
35°
4
56°
41°
5
69°
51°
6
65°
49°
7
61°
49°
8
55°
40°
9
56°
39°
10
58°
42°
11
56°
40°
12
56°
39°
13
57°
38°
14
56°
39°
15
58°
42°
16
57°
39°
17
57°
40°
18
60°
43°
19
58°
44°
20
59°
44°
21
65°
43°
22
62°
42°
23
59°
41°
24
59°
42°
25
60°
45°
26
61°
44°
27
60°
41°
28
61°
40°
29
60°
46°
30
61°
44°
31
61°
44°
1
62°
44°
2
62°
43°
3
63°
42°
4
61°
42°
5
61°
44°
6
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westchester Mountain
Westchester Mountain's May 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 35° and 51°. The average high for May is 59° with an average low of 42°. 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 Westchester Mountain. See also: June | July | August.
