S
M
T
W
T
F
S
26
66°
41°
27
73°
35°
28
72°
38°
29
69°
45°
30
59°
47°
1
61°
45°
2
56°
39°
3
54°
39°
4
63°
44°
5
75°
54°
6
62°
48°
7
58°
37°
8
51°
35°
9
56°
40°
10
58°
42°
11
61°
41°
12
59°
41°
13
57°
43°
14
59°
42°
15
62°
44°
16
62°
42°
17
63°
39°
18
63°
47°
19
68°
48°
20
68°
48°
21
67°
47°
22
69°
44°
23
63°
43°
24
65°
46°
25
65°
43°
26
66°
44°
27
64°
46°
28
65°
50°
29
71°
50°
30
70°
49°
31
70°
47°
1
67°
43°
2
65°
44°
3
66°
44°
4
66°
45°
5
67°
45°
6
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chester
Chester's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 35° and 54°. The average high for May is 63° with an average low of 44°. 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 Chester. See also: June | July | August.
