S
M
T
W
T
F
S
27
73°
56°
28
80°
44°
29
93°
47°
30
93°
51°
1
92°
49°
2
90°
49°
3
97°
54°
4
93°
57°
5
98°
58°
6
98°
52°
7
100°
53°
8
96°
51°
9
98°
52°
10
72°
56°
11
71°
42°
12
72°
43°
13
81°
38°
14
82°
41°
15
86°
45°
16
89°
44°
17
89°
46°
18
72°
43°
19
67°
54°
20
72°
44°
21
71°
50°
22
69°
53°
23
73°
50°
24
75°
47°
25
74°
41°
26
72°
43°
27
70°
39°
28
74°
41°
29
70°
42°
30
69°
42°
31
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sonoma
Sonoma's October 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 39° and 43°. The average high for October is 70° with an average low of 41°. 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 Sonoma. See also: November | December | January.
