S
M
T
W
T
F
S
29
50°
19°
30
69°
29°
31
69°
52°
1
62°
40°
2
40°
33°
3
63°
33°
4
63°
38°
5
51°
36°
6
41°
27°
7
39°
24°
8
51°
29°
9
59°
37°
10
69°
44°
11
57°
33°
12
60°
47°
13
70°
59°
14
80°
57°
15
63°
43°
16
58°
42°
17
60°
41°
18
62°
45°
19
63°
47°
20
63°
48°
21
72°
39°
22
66°
40°
23
56°
37°
24
58°
44°
25
57°
44°
26
57°
42°
27
58°
40°
28
59°
41°
29
58°
40°
30
59°
38°
1
60°
47°
2
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Old Chatham
Old Chatham's April 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 29° and 59°. The average high for April is 62° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Old Chatham. See also: May | June | July.