S
M
T
W
T
F
S
26
79°
63°
27
80°
63°
28
77°
61°
29
76°
61°
30
74°
64°
31
76°
64°
1
77°
66°
2
75°
65°
3
73°
63°
4
73°
65°
5
74°
64°
6
75°
65°
7
79°
65°
8
78°
66°
9
77°
64°
10
79°
65°
11
77°
64°
12
76°
63°
13
73°
64°
14
77°
63°
15
75°
60°
16
76°
56°
17
78°
60°
18
80°
63°
19
78°
61°
20
79°
63°
21
81°
63°
22
81°
63°
23
80°
65°
24
81°
65°
25
83°
65°
26
86°
64°
27
81°
68°
28
85°
68°
29
84°
67°
30
82°
61°
31
76°
58°
1
77°
54°
2
80°
53°
3
77°
57°
4
77°
58°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Santa Barbara
Santa Barbara's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August 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 August weather will actually feel in Santa Barbara. See also: September | October | November.
