S
M
T
W
T
F
S
26
57°
41°
27
69°
38°
28
58°
42°
29
59°
47°
30
63°
47°
1
62°
37°
2
59°
41°
3
58°
43°
4
68°
53°
5
79°
62°
6
71°
57°
7
64°
42°
8
58°
41°
9
59°
43°
10
64°
47°
11
62°
46°
12
64°
46°
13
63°
48°
14
65°
50°
15
68°
51°
16
75°
54°
17
74°
55°
18
76°
55°
19
76°
54°
20
75°
55°
21
76°
55°
22
74°
48°
23
68°
47°
24
67°
49°
25
68°
49°
26
70°
50°
27
69°
49°
28
69°
51°
29
70°
49°
30
70°
52°
31
71°
59°
1
75°
57°
2
72°
54°
3
72°
57°
4
76°
59°
5
75°
57°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Chester
West Chester's May 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 41° and 62°. The average high for May is 69° 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 West Chester. See also: June | July | August.
