S
M
T
W
T
F
S
27
79°
51°
28
82°
48°
29
84°
49°
30
91°
59°
1
90°
63°
2
69°
50°
3
73°
50°
4
78°
49°
5
72°
45°
6
76°
47°
7
83°
53°
8
81°
51°
9
77°
49°
10
75°
53°
11
76°
49°
12
75°
49°
13
72°
47°
14
71°
48°
15
65°
46°
16
75°
53°
17
75°
52°
18
74°
52°
19
68°
49°
20
63°
44°
21
61°
41°
22
61°
43°
23
70°
50°
24
72°
48°
25
71°
50°
26
72°
47°
27
64°
42°
28
65°
46°
29
66°
45°
30
64°
43°
31
68°
48°
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 90°, with overnight lows between 41° and 63°. 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.
