S
M
T
W
T
F
S
29
81°
68°
30
84°
66°
31
84°
61°
1
82°
57°
2
79°
59°
3
84°
66°
4
86°
61°
5
86°
66°
6
89°
65°
7
76°
64°
8
77°
63°
9
78°
61°
10
82°
58°
11
84°
60°
12
83°
61°
13
82°
60°
14
85°
58°
15
87°
61°
16
86°
61°
17
84°
62°
18
85°
63°
19
84°
59°
20
83°
62°
21
84°
62°
22
85°
61°
23
85°
63°
24
86°
63°
25
84°
62°
26
85°
63°
27
85°
63°
28
87°
62°
29
87°
63°
30
83°
63°
1
83°
62°
2
84°
64°
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 76° to 89°, with overnight lows between 58° and 65°. The average high for April is 84° with an average low of 62°. 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.