S
M
T
W
T
F
S
26
93°
63°
27
93°
64°
28
91°
61°
29
90°
60°
30
91°
59°
31
90°
62°
1
95°
63°
2
92°
62°
3
98°
62°
4
98°
63°
5
97°
64°
6
98°
62°
7
97°
63°
8
96°
62°
9
97°
61°
10
96°
60°
11
97°
60°
12
97°
62°
13
96°
61°
14
97°
62°
15
94°
62°
16
91°
60°
17
91°
60°
18
92°
59°
19
90°
60°
20
90°
62°
21
91°
59°
22
90°
59°
23
91°
60°
24
93°
61°
25
95°
62°
26
96°
61°
27
95°
61°
28
94°
60°
29
94°
59°
30
92°
58°
31
90°
57°
1
91°
58°
2
92°
59°
3
94°
59°
4
94°
61°
5
93°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Manteca
Manteca's August 2026 forecast shows daily high temperatures ranging from 90° to 98°, with overnight lows between 57° and 64°. The average high for August is 94° 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 Manteca. See also: September | October | November.
