S
M
T
W
T
F
S
29
42°
7°
30
62°
21°
31
41°
33°
1
44°
32°
2
42°
30°
3
56°
31°
4
55°
34°
5
45°
34°
6
39°
29°
7
37°
19°
8
43°
13°
9
60°
18°
10
68°
27°
11
47°
35°
12
54°
20°
13
60°
38°
14
66°
53°
15
61°
48°
16
60°
51°
17
61°
45°
18
55°
43°
19
46°
22°
20
30°
18°
21
41°
30°
22
48°
32°
23
47°
33°
24
52°
36°
25
51°
34°
26
53°
37°
27
52°
35°
28
51°
33°
29
48°
38°
30
49°
37°
1
50°
38°
2
50°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sunday River
Sunday River's April 2026 forecast shows daily high temperatures ranging from 30° to 61°, with overnight lows between 18° and 51°. The average high for April is 50° with an average low of 36°. 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 Sunday River. See also: May | June | July.