S
M
T
W
T
F
S
27
88°
55°
28
87°
54°
29
86°
53°
30
86°
53°
1
85°
52°
2
85°
52°
3
81°
51°
4
79°
50°
5
79°
51°
6
80°
48°
7
82°
46°
8
81°
44°
9
79°
49°
10
79°
49°
11
81°
46°
12
80°
47°
13
76°
48°
14
76°
49°
15
75°
48°
16
74°
50°
17
75°
51°
18
76°
50°
19
80°
51°
20
81°
49°
21
77°
49°
22
71°
42°
23
71°
42°
24
Hist. Avg.
75°
46°
25
Hist. Avg.
74°
46°
26
Hist. Avg.
74°
46°
27
Hist. Avg.
74°
45°
28
Hist. Avg.
73°
45°
29
Hist. Avg.
73°
45°
30
Hist. Avg.
72°
45°
31
Hist. Avg.
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Sonoma
Sonoma's October 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 42° and 55°. The average high for October is 80° with an average low of 49°. 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.
