S
M
T
W
T
F
S
27
79°
57°
28
79°
56°
29
78°
55°
30
78°
56°
1
77°
55°
2
77°
55°
3
76°
54°
4
77°
54°
5
76°
53°
6
76°
54°
7
75°
54°
8
74°
53°
9
74°
53°
10
75°
52°
11
73°
50°
12
71°
48°
13
65°
48°
14
60°
49°
15
64°
50°
16
65°
51°
17
69°
43°
18
68°
37°
19
55°
36°
20
55°
37°
21
58°
38°
22
59°
35°
23
59°
37°
24
53°
42°
25
52°
34°
26
53°
32°
27
52°
30°
28
47°
34°
29
50°
31°
30
51°
36°
31
51°
27°
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 47° to 79°, with overnight lows between 27° and 57°. The average high for October is 66° 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.
