S
M
T
W
T
F
S
27
76°
55°
28
83°
45°
29
95°
46°
30
95°
50°
1
94°
46°
2
93°
51°
3
102°
52°
4
103°
58°
5
99°
57°
6
103°
53°
7
99°
51°
8
101°
50°
9
79°
55°
10
71°
47°
11
77°
51°
12
77°
48°
13
79°
47°
14
76°
52°
15
86°
54°
16
84°
55°
17
82°
54°
18
83°
54°
19
84°
57°
20
85°
54°
21
83°
55°
22
73°
50°
23
75°
53°
24
73°
52°
25
74°
53°
26
75°
52°
27
74°
53°
28
74°
53°
29
73°
51°
30
73°
54°
31
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Lucas Valley-Marinwood
Lucas Valley-Marinwood's October 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 47° and 57°. The average high for October is 77° with an average low of 52°. 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 Lucas Valley-Marinwood. See also: November | December | January.
