S
M
T
W
T
F
S
29
48°
13°
30
68°
22°
31
49°
38°
1
54°
32°
2
42°
33°
3
59°
46°
4
52°
35°
5
51°
34°
6
48°
28°
7
43°
20°
8
43°
25°
9
49°
29°
10
57°
34°
11
63°
41°
12
55°
33°
13
54°
35°
14
56°
29°
15
51°
34°
16
54°
25°
17
47°
25°
18
48°
26°
19
50°
31°
20
58°
37°
21
62°
37°
22
60°
36°
23
52°
36°
24
61°
38°
25
64°
38°
26
59°
37°
27
53°
38°
28
54°
36°
29
54°
38°
30
60°
39°
1
56°
38°
2
58°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Cornish
Cornish's April 2026 forecast shows daily high temperatures ranging from 42° to 64°, with overnight lows between 20° and 46°. The average high for April is 54° with an average low of 34°. 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 Cornish. See also: May | June | July.