S
M
T
W
T
F
S
29
74°
43°
30
71°
44°
31
55°
43°
1
54°
41°
2
52°
34°
3
60°
30°
4
69°
27°
5
72°
34°
6
76°
42°
7
75°
36°
8
73°
42°
9
69°
47°
10
62°
44°
11
59°
42°
12
51°
34°
13
57°
32°
14
64°
41°
15
65°
40°
16
64°
42°
17
61°
35°
18
67°
41°
19
65°
40°
20
63°
40°
21
66°
37°
22
57°
34°
23
59°
33°
24
59°
33°
25
60°
34°
26
58°
34°
27
57°
33°
28
58°
33°
29
60°
34°
30
60°
33°
1
61°
34°
2
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sun Valley
Sun Valley's April 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 32° and 47°. The average high for April is 62° with an average low of 37°. 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 Sun Valley. See also: May | June | July.
