S
M
T
W
T
F
S
1
74°
51°
2
71°
49°
3
65°
47°
4
62°
47°
5
73°
55°
6
69°
45°
7
74°
42°
8
80°
46°
9
67°
48°
10
62°
49°
11
65°
45°
12
79°
46°
13
77°
46°
14
73°
47°
15
66°
51°
16
76°
54°
17
91°
53°
18
82°
56°
19
81°
58°
20
78°
55°
21
71°
52°
22
66°
58°
23
67°
56°
24
67°
57°
25
63°
57°
26
67°
55°
27
66°
53°
28
66°
57°
29
68°
55°
30
65°
57°
31
66°
59°
1
67°
50°
2
72°
52°
3
71°
47°
4
83°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Santa Barbara
Santa Barbara'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 Santa Barbara. See also: April | May | June.
