S
M
T
W
T
F
S
26
90°
74°
27
93°
75°
28
99°
76°
29
95°
72°
30
93°
73°
31
92°
75°
1
89°
71°
2
85°
73°
3
89°
72°
4
90°
73°
5
91°
72°
6
93°
75°
7
92°
74°
8
89°
76°
9
90°
75°
10
89°
76°
11
89°
76°
12
90°
75°
13
89°
76°
14
93°
76°
15
90°
75°
16
90°
75°
17
91°
74°
18
91°
75°
19
92°
75°
20
93°
74°
21
88°
75°
22
88°
72°
23
91°
74°
24
93°
75°
25
92°
74°
26
92°
75°
27
93°
76°
28
94°
76°
29
94°
75°
30
93°
76°
31
94°
75°
1
92°
74°
2
92°
74°
3
90°
73°
4
87°
74°
5
87°
73°
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 85° to 99°, with overnight lows between 71° and 76°. The average high for August is 91° with an average low of 74°. 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.
