S
M
T
W
T
F
S
26
51°
41°
27
55°
45°
28
51°
43°
29
49°
43°
30
56°
46°
1
59°
46°
2
55°
47°
3
52°
42°
4
59°
41°
5
59°
51°
6
63°
54°
7
60°
47°
8
59°
41°
9
61°
44°
10
61°
51°
11
59°
44°
12
57°
43°
13
59°
50°
14
56°
50°
15
55°
45°
16
61°
45°
17
71°
56°
18
67°
57°
19
67°
57°
20
73°
60°
21
65°
50°
22
58°
47°
23
62°
46°
24
54°
51°
25
62°
56°
26
73°
60°
27
72°
60°
28
66°
52°
29
61°
51°
30
58°
49°
31
65°
52°
1
66°
51°
2
64°
54°
3
67°
57°
4
68°
57°
5
70°
58°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chatham
Chatham's May 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 49° and 60°. The average high for May is 67° with an average low of 55°. 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 Chatham. See also: June | July | August.
