S
M
T
W
T
F
S
27
88°
56°
28
88°
55°
29
71°
61°
30
80°
59°
1
72°
57°
2
64°
56°
3
77°
55°
4
77°
52°
5
78°
52°
6
84°
56°
7
85°
53°
8
84°
50°
9
83°
51°
10
84°
54°
11
87°
62°
12
86°
58°
13
85°
56°
14
68°
52°
15
69°
46°
16
60°
33°
17
55°
30°
18
73°
34°
19
75°
55°
20
81°
48°
21
82°
51°
22
82°
57°
23
80°
52°
24
69°
56°
25
58°
54°
26
67°
54°
27
75°
54°
28
78°
56°
29
76°
52°
30
63°
51°
31
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Santa Rosa
Santa Rosa's October 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 51° and 52°. The average high for October is 67° 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 Santa Rosa. See also: November | December | January.
