S
M
T
W
T
F
S
26
65°
37°
27
70°
36°
28
64°
38°
29
60°
45°
30
52°
45°
1
64°
43°
2
58°
44°
3
55°
34°
4
74°
38°
5
86°
51°
6
72°
52°
7
64°
40°
8
61°
33°
9
49°
33°
10
74°
49°
11
63°
45°
12
64°
40°
13
58°
40°
14
60°
50°
15
58°
46°
16
80°
42°
17
86°
53°
18
79°
55°
19
97°
54°
20
89°
65°
21
68°
51°
22
69°
39°
23
63°
48°
24
54°
49°
25
70°
53°
26
82°
58°
27
83°
55°
28
74°
50°
29
68°
46°
30
65°
42°
31
66°
50°
1
72°
49°
2
69°
50°
3
74°
51°
4
72°
52°
5
76°
51°
6
68°
50°
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 54° to 83°, with overnight lows between 42° and 58°. The average high for May is 70° with an average low of 50°. 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.
