S
M
T
W
T
F
S
26
88°
72°
27
88°
72°
28
89°
71°
29
89°
72°
30
88°
72°
31
88°
71°
1
84°
71°
2
84°
70°
3
85°
71°
4
88°
72°
5
89°
72°
6
90°
70°
7
86°
70°
8
89°
70°
9
88°
69°
10
89°
64°
11
86°
66°
12
84°
65°
13
84°
65°
14
88°
66°
15
84°
67°
16
83°
69°
17
85°
69°
18
88°
67°
19
86°
67°
20
83°
66°
21
83°
68°
22
84°
68°
23
86°
66°
24
88°
68°
25
87°
64°
26
88°
62°
27
82°
63°
28
81°
65°
29
83°
67°
30
82°
66°
31
84°
67°
1
86°
63°
2
84°
61°
3
81°
61°
4
80°
62°
5
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stockton
Stockton's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 60° and 72°. The average high for August is 86° with an average low of 67°. 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 Stockton. See also: September | October | November.