S
M
T
W
T
F
S
27
65°
43°
28
76°
56°
29
78°
48°
30
75°
44°
1
62°
37°
2
67°
39°
3
66°
40°
4
70°
31°
5
82°
46°
6
74°
43°
7
68°
42°
8
63°
43°
9
70°
48°
10
66°
41°
11
43°
33°
12
42°
31°
13
50°
34°
14
52°
35°
15
51°
33°
16
51°
36°
17
54°
34°
18
54°
32°
19
59°
39°
20
58°
38°
21
59°
39°
22
58°
38°
23
49°
36°
24
44°
37°
25
57°
38°
26
55°
37°
27
57°
37°
28
54°
35°
29
40°
32°
30
39°
26°
31
36°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fairfield
Fairfield's October 2026 forecast shows daily high temperatures ranging from 36° to 82°, with overnight lows between 23° and 48°. The average high for October is 55° with an average low of 37°. 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 Fairfield. See also: November | December | January.
