S
M
T
W
T
F
S
26
82°
51°
27
87°
49°
28
87°
51°
29
86°
52°
30
87°
51°
31
90°
50°
1
91°
51°
2
94°
52°
3
87°
54°
4
76°
53°
5
76°
57°
6
75°
55°
7
77°
54°
8
80°
54°
9
81°
53°
10
76°
51°
11
75°
54°
12
74°
54°
13
73°
55°
14
71°
57°
15
75°
56°
16
81°
54°
17
78°
55°
18
82°
54°
19
80°
55°
20
73°
53°
21
79°
53°
22
85°
49°
23
90°
50°
24
76°
54°
25
83°
50°
26
89°
55°
27
91°
53°
28
82°
51°
29
84°
51°
30
83°
50°
31
86°
49°
1
86°
50°
2
87°
50°
3
85°
49°
4
88°
50°
5
87°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sebastopol
Sebastopol's August 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 49° and 55°. The average high for August is 85° with an average low of 51°. 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 Sebastopol. See also: September | October | November.
