S
M
T
W
T
F
S
27
85°
52°
28
80°
53°
29
80°
52°
30
81°
53°
1
85°
54°
2
87°
53°
3
86°
52°
4
85°
47°
5
82°
49°
6
78°
46°
7
84°
53°
8
84°
53°
9
Hist. Avg.
76°
51°
10
Hist. Avg.
76°
51°
11
Hist. Avg.
75°
51°
12
Hist. Avg.
75°
50°
13
Hist. Avg.
75°
50°
14
Hist. Avg.
74°
50°
15
Hist. Avg.
74°
50°
16
Hist. Avg.
74°
50°
17
Hist. Avg.
73°
50°
18
Hist. Avg.
73°
49°
19
Hist. Avg.
73°
49°
20
Hist. Avg.
72°
49°
21
Hist. Avg.
72°
49°
22
Hist. Avg.
72°
49°
23
Hist. Avg.
71°
49°
24
Hist. Avg.
71°
48°
25
Hist. Avg.
71°
48°
26
Hist. Avg.
70°
48°
27
Hist. Avg.
70°
48°
28
Hist. Avg.
69°
48°
29
Hist. Avg.
69°
47°
30
Hist. Avg.
69°
47°
31
Hist. Avg.
68°
47°
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 78° to 87°, with overnight lows between 46° and 54°. The average high for October is 83° with an average low of 51°. 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.
