S
M
T
W
T
F
S
26
85°
57°
27
84°
55°
28
90°
56°
29
80°
58°
30
89°
57°
31
91°
56°
1
80°
56°
2
93°
60°
3
92°
59°
4
91°
59°
5
77°
59°
6
86°
59°
7
89°
58°
8
79°
58°
9
90°
58°
10
86°
59°
11
82°
59°
12
79°
60°
13
75°
60°
14
74°
60°
15
78°
58°
16
83°
50°
17
84°
52°
18
83°
51°
19
84°
53°
20
88°
52°
21
88°
51°
22
89°
53°
23
91°
52°
24
87°
50°
25
83°
50°
26
86°
52°
27
87°
54°
28
87°
54°
29
84°
52°
30
88°
53°
31
88°
53°
1
89°
54°
2
88°
53°
3
82°
53°
4
83°
52°
5
85°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Martinez
Martinez's August 2026 forecast shows daily high temperatures ranging from 74° to 91°, with overnight lows between 50° and 60°. The average high for August is 84° with an average low of 54°. 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 Martinez. See also: September | October | November.
