S
M
T
W
T
F
S
26
62°
42°
27
65°
49°
28
64°
52°
29
55°
39°
30
58°
35°
1
48°
32°
2
54°
29°
3
63°
39°
4
79°
47°
5
57°
44°
6
57°
41°
7
57°
42°
8
63°
48°
9
70°
45°
10
57°
42°
11
55°
39°
12
57°
46°
13
55°
45°
14
61°
51°
15
64°
48°
16
65°
53°
17
71°
57°
18
70°
57°
19
69°
55°
20
70°
51°
21
63°
47°
22
63°
46°
23
64°
49°
24
65°
50°
25
65°
50°
26
66°
49°
27
67°
50°
28
67°
51°
29
70°
55°
30
75°
57°
31
76°
58°
1
75°
56°
2
70°
56°
3
77°
60°
4
78°
61°
5
78°
60°
6
71°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westchester Township
Westchester Township's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 39° and 61°. The average high for May is 67° 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 Westchester Township. See also: June | July | August.