S
M
T
W
T
F
S
27
80°
54°
28
81°
55°
29
82°
49°
30
79°
55°
1
76°
54°
2
73°
54°
3
73°
54°
4
74°
53°
5
74°
54°
6
76°
52°
7
73°
51°
8
71°
40°
9
64°
39°
10
62°
38°
11
63°
39°
12
64°
46°
13
67°
50°
14
73°
51°
15
72°
50°
16
71°
50°
17
68°
41°
18
61°
36°
19
59°
35°
20
60°
43°
21
67°
47°
22
67°
47°
23
66°
46°
24
62°
45°
25
62°
45°
26
67°
44°
27
64°
39°
28
62°
34°
29
56°
38°
30
57°
30°
31
54°
30°
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 54° to 82°, with overnight lows between 30° and 55°. The average high for October is 68° with an average low of 45°. 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.
