S
M
T
W
T
F
S
26
65°
39°
27
71°
33°
28
68°
36°
29
66°
39°
30
53°
43°
1
58°
39°
2
53°
36°
3
54°
40°
4
69°
53°
5
78°
57°
6
64°
42°
7
55°
40°
8
55°
41°
9
56°
45°
10
60°
41°
11
62°
44°
12
64°
48°
13
64°
48°
14
64°
49°
15
64°
50°
16
65°
48°
17
73°
52°
18
75°
53°
19
74°
52°
20
73°
53°
21
72°
51°
22
72°
48°
23
67°
45°
24
65°
47°
25
67°
47°
26
68°
50°
27
68°
47°
28
69°
48°
29
68°
47°
30
68°
48°
31
69°
56°
1
73°
54°
2
71°
50°
3
71°
54°
4
75°
57°
5
72°
54°
6
73°
57°
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 54° to 78°, with overnight lows between 40° and 57°. The average high for May is 67° with an average low of 49°. 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.
