S
M
T
W
T
F
S
29
54°
43°
30
57°
40°
31
59°
42°
1
52°
41°
2
58°
39°
3
64°
31°
4
71°
36°
5
74°
41°
6
79°
39°
7
67°
43°
8
72°
36°
9
74°
39°
10
71°
45°
11
58°
47°
12
54°
46°
13
53°
42°
14
47°
43°
15
49°
34°
16
56°
29°
17
60°
31°
18
60°
37°
19
58°
40°
20
61°
35°
21
62°
36°
22
60°
37°
23
62°
36°
24
63°
35°
25
60°
34°
26
61°
35°
27
64°
37°
28
64°
39°
29
66°
42°
30
63°
42°
1
62°
41°
2
60°
42°
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 47° to 66°, with overnight lows between 29° and 47°. 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.