S
M
T
W
T
F
S
27
86°
67°
28
83°
67°
29
88°
64°
30
85°
64°
1
81°
66°
2
84°
65°
3
78°
66°
4
81°
65°
5
78°
65°
6
78°
64°
7
83°
64°
8
85°
63°
9
85°
61°
10
81°
61°
11
81°
59°
12
80°
55°
13
76°
54°
14
73°
55°
15
75°
59°
16
77°
61°
17
77°
60°
18
76°
61°
19
75°
58°
20
80°
54°
21
72°
54°
22
74°
53°
23
74°
56°
24
77°
58°
25
Hist. Avg.
75°
55°
26
Hist. Avg.
74°
54°
27
Hist. Avg.
74°
54°
28
Hist. Avg.
74°
54°
29
Hist. Avg.
73°
53°
30
Hist. Avg.
73°
53°
31
Hist. Avg.
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Martinez
Martinez's October 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 53° and 67°. The average high for October is 79° 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 October weather will actually feel in Martinez. See also: November | December | January.
