S
M
T
W
T
F
S
27
86°
54°
28
85°
48°
29
83°
48°
30
78°
52°
1
83°
49°
2
86°
51°
3
83°
52°
4
85°
50°
5
84°
52°
6
76°
50°
7
82°
41°
8
80°
48°
9
82°
49°
10
Hist. Avg.
77°
47°
11
Hist. Avg.
77°
46°
12
Hist. Avg.
76°
46°
13
Hist. Avg.
76°
45°
14
Hist. Avg.
75°
45°
15
Hist. Avg.
75°
44°
16
Hist. Avg.
75°
44°
17
Hist. Avg.
74°
44°
18
Hist. Avg.
74°
43°
19
Hist. Avg.
74°
43°
20
Hist. Avg.
73°
42°
21
Hist. Avg.
73°
42°
22
Hist. Avg.
72°
42°
23
Hist. Avg.
72°
41°
24
Hist. Avg.
72°
41°
25
Hist. Avg.
71°
41°
26
Hist. Avg.
71°
40°
27
Hist. Avg.
70°
40°
28
Hist. Avg.
70°
40°
29
Hist. Avg.
70°
39°
30
Hist. Avg.
69°
39°
31
Hist. Avg.
69°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Santa Rosa
Santa Rosa's October 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 41° and 54°. The average high for October is 83° with an average low of 50°. 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.
