S
M
T
W
T
F
S
29
54°
18°
30
63°
43°
31
67°
52°
1
57°
37°
2
59°
37°
3
73°
48°
4
77°
51°
5
62°
31°
6
39°
28°
7
32°
19°
8
52°
33°
9
65°
43°
10
64°
39°
11
56°
33°
12
68°
54°
13
71°
57°
14
68°
51°
15
64°
35°
16
56°
38°
17
58°
41°
18
61°
41°
19
59°
38°
20
60°
34°
21
62°
40°
22
64°
41°
23
65°
41°
24
63°
37°
25
55°
32°
26
54°
34°
27
53°
32°
28
55°
37°
29
55°
32°
30
54°
32°
1
57°
35°
2
56°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Summit
Summit's April 2026 forecast shows daily high temperatures ranging from 32° to 71°, with overnight lows between 19° and 57°. The average high for April is 59° with an average low of 38°. 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 Summit. See also: May | June | July.