S
M
T
W
T
F
S
27
76°
60°
28
N/A
29
75°
67°
30
N/A
1
88°
66°
2
91°
70°
3
82°
68°
4
80°
67°
5
73°
53°
6
69°
49°
7
73°
55°
8
77°
54°
9
76°
54°
10
73°
53°
11
72°
54°
12
72°
53°
13
71°
52°
14
69°
50°
15
68°
51°
16
69°
54°
17
69°
54°
18
71°
55°
19
74°
55°
20
74°
52°
21
67°
49°
22
66°
47°
23
66°
47°
24
69°
51°
25
72°
53°
26
72°
47°
27
67°
45°
28
64°
51°
29
66°
52°
30
65°
52°
31
66°
50°
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 64° to 91°, with overnight lows between 45° and 70°. The average high for October is 72° with an average low of 54°. 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.
