S
M
T
W
T
F
S
26
82°
60°
27
81°
61°
28
80°
60°
29
81°
61°
30
81°
59°
31
80°
59°
1
80°
60°
2
81°
59°
3
87°
64°
4
86°
64°
5
85°
60°
6
84°
63°
7
83°
64°
8
82°
63°
9
81°
62°
10
83°
64°
11
86°
63°
12
85°
63°
13
82°
61°
14
81°
57°
15
80°
57°
16
81°
58°
17
84°
59°
18
83°
63°
19
85°
63°
20
86°
62°
21
85°
62°
22
85°
63°
23
84°
60°
24
80°
62°
25
84°
60°
26
84°
61°
27
83°
60°
28
77°
56°
29
80°
57°
30
79°
56°
31
79°
56°
1
81°
61°
2
83°
60°
3
81°
59°
4
78°
60°
5
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in California
California's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 56° and 64°. The average high for August is 82° with an average low of 61°. 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 California. See also: September | October | November.
