S
M
T
W
T
F
S
27
85°
52°
28
86°
53°
29
85°
52°
30
84°
51°
1
82°
51°
2
82°
52°
3
84°
52°
4
85°
50°
5
85°
53°
6
78°
48°
7
77°
44°
8
75°
44°
9
75°
45°
10
76°
48°
11
76°
46°
12
77°
45°
13
77°
45°
14
76°
46°
15
74°
46°
16
75°
48°
17
77°
46°
18
74°
44°
19
72°
46°
20
72°
44°
21
73°
46°
22
72°
45°
23
76°
44°
24
75°
45°
25
75°
44°
26
76°
43°
27
73°
45°
28
70°
48°
29
68°
42°
30
68°
42°
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 68° to 86°, with overnight lows between 42° and 53°. The average high for October is 77° with an average low of 47°. 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.
