S
M
T
W
T
F
S
29
50°
36°
30
55°
39°
31
64°
45°
1
55°
46°
2
52°
39°
3
57°
46°
4
57°
45°
5
54°
37°
6
59°
32°
7
69°
43°
8
72°
48°
9
60°
39°
10
55°
46°
11
53°
37°
12
52°
35°
13
55°
38°
14
56°
41°
15
58°
42°
16
58°
42°
17
57°
41°
18
58°
40°
19
59°
41°
20
55°
43°
21
58°
43°
22
58°
44°
23
59°
44°
24
60°
43°
25
58°
44°
26
56°
42°
27
53°
39°
28
53°
39°
29
54°
40°
30
56°
45°
1
58°
46°
2
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Cornwell
Cornwell's April 2026 forecast shows daily high temperatures ranging from 52° to 72°, with overnight lows between 35° and 48°. The average high for April is 58° with an average low of 42°. 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 Cornwell. See also: May | June | July.