S
M
T
W
T
F
S
29
49°
36°
30
51°
33°
31
59°
36°
1
50°
43°
2
55°
43°
3
61°
45°
4
63°
38°
5
68°
47°
6
73°
41°
7
57°
35°
8
62°
39°
9
68°
41°
10
71°
44°
11
59°
41°
12
54°
40°
13
55°
42°
14
57°
40°
15
65°
44°
16
62°
42°
17
60°
44°
18
60°
42°
19
59°
39°
20
55°
35°
21
59°
36°
22
54°
36°
23
55°
35°
24
62°
36°
25
61°
36°
26
61°
37°
27
64°
36°
28
64°
40°
29
65°
40°
30
65°
42°
1
67°
45°
2
65°
46°
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 54° to 73°, with overnight lows between 35° and 46°. The average high for April is 61° with an average low of 40°. 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.