S
M
T
W
T
F
S
26
69°
48°
27
80°
44°
28
77°
53°
29
67°
49°
30
56°
39°
1
56°
35°
2
53°
35°
3
61°
47°
4
69°
54°
5
75°
53°
6
59°
43°
7
55°
35°
8
56°
39°
9
64°
45°
10
65°
45°
11
69°
50°
12
70°
51°
13
68°
46°
14
67°
48°
15
70°
52°
16
67°
48°
17
70°
53°
18
75°
55°
19
74°
55°
20
74°
56°
21
77°
56°
22
77°
57°
23
76°
55°
24
74°
52°
25
70°
51°
26
75°
57°
27
77°
56°
28
75°
57°
29
74°
56°
30
71°
54°
31
75°
54°
1
71°
52°
2
72°
58°
3
73°
51°
4
71°
50°
5
71°
51°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chesterhill
Chesterhill's May 2026 forecast shows daily high temperatures ranging from 53° to 77°, with overnight lows between 35° and 58°. The average high for May is 69° 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 Chesterhill. See also: June | July | August.