S
M
T
W
T
F
S
27
84°
58°
28
84°
59°
29
83°
59°
30
83°
57°
1
82°
47°
2
75°
46°
3
69°
45°
4
70°
48°
5
71°
55°
6
74°
44°
7
70°
44°
8
68°
54°
9
68°
55°
10
75°
47°
11
76°
44°
12
68°
43°
13
67°
42°
14
66°
42°
15
66°
43°
16
66°
45°
17
72°
49°
18
74°
51°
19
74°
52°
20
75°
51°
21
74°
52°
22
75°
51°
23
75°
51°
24
74°
52°
25
74°
47°
26
73°
38°
27
63°
39°
28
64°
48°
29
63°
45°
30
67°
37°
31
61°
35°
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 61° to 84°, with overnight lows between 35° and 59°. The average high for October is 72° with an average low of 48°. 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.
