S
M
T
W
T
F
S
1
24°
16°
2
27°
16°
3
31°
20°
4
36°
24°
5
38°
32°
6
44°
33°
7
40°
28°
8
34°
25°
9
34°
20°
10
28°
22°
11
31°
14°
12
34°
3°
13
29°
-4°
14
34°
1°
15
33°
25°
16
33°
28°
17
35°
28°
18
33°
28°
19
35°
23°
20
37°
20°
21
41°
28°
22
36°
29°
23
36°
24°
24
38°
22°
25
30°
21°
26
35°
22°
27
38°
14°
28
37°
12°
29
37°
11°
30
34°
26°
31
42°
27°
1
43°
18°
2
45°
15°
3
41°
31°
4
44°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Sunnyside
Sunnyside'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 Sunnyside. See also: April | May | June.
