S
M
T
W
T
F
S
1
72°
48°
2
75°
43°
3
70°
50°
4
66°
37°
5
64°
41°
6
54°
37°
7
50°
27°
8
64°
30°
9
66°
39°
10
59°
39°
11
57°
36°
12
64°
30°
13
66°
46°
14
72°
48°
15
66°
25°
16
54°
18°
17
66°
36°
18
75°
50°
19
82°
54°
20
82°
54°
21
84°
55°
22
81°
46°
23
72°
36°
24
79°
52°
25
84°
57°
26
82°
51°
27
50°
36°
28
64°
28°
29
73°
46°
30
73°
54°
31
70°
54°
1
63°
48°
2
68°
45°
3
68°
46°
4
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Sun Valley
Sun Valley's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Sun Valley. See also: April | May | June.
