S
M
T
W
T
F
S
27
87°
53°
28
83°
52°
29
79°
51°
30
80°
51°
1
85°
53°
2
79°
52°
3
80°
51°
4
84°
54°
5
85°
56°
6
85°
56°
7
86°
55°
8
86°
56°
9
85°
55°
10
83°
55°
11
84°
54°
12
83°
54°
13
79°
47°
14
74°
50°
15
75°
46°
16
74°
47°
17
73°
46°
18
74°
45°
19
75°
47°
20
77°
48°
21
79°
52°
22
79°
47°
23
71°
52°
24
71°
52°
25
74°
48°
26
71°
43°
27
69°
43°
28
69°
44°
29
70°
42°
30
70°
44°
31
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Napa
Napa's October 2026 forecast shows daily high temperatures ranging from 69° to 87°, with overnight lows between 42° and 56°. The average high for October is 78° with an average low of 50°. 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 Napa. See also: November | December | January.
