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
93°
52°
9
85°
52°
10
74°
42°
11
77°
48°
12
77°
47°
13
79°
50°
14
78°
48°
15
81°
46°
16
84°
50°
17
85°
49°
18
85°
50°
19
83°
52°
20
84°
50°
21
76°
47°
22
79°
49°
23
78°
48°
24
76°
48°
25
76°
49°
26
77°
47°
27
76°
48°
28
76°
47°
29
75°
47°
30
75°
50°
31
73°
49°
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 73° to 93°, with overnight lows between 42° and 52°. The average high for October is 79° 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.
