S
M
T
W
T
F
S
27
68°
58°
28
76°
54°
29
78°
49°
30
69°
63°
1
67°
52°
2
66°
46°
3
71°
45°
4
71°
47°
5
74°
43°
6
79°
49°
7
78°
52°
8
75°
46°
9
80°
55°
10
85°
59°
11
86°
57°
12
88°
66°
13
73°
59°
14
65°
55°
15
62°
48°
16
52°
37°
17
58°
30°
18
66°
37°
19
68°
39°
20
69°
40°
21
72°
43°
22
75°
47°
23
75°
47°
24
76°
55°
25
76°
50°
26
68°
50°
27
66°
50°
28
76°
50°
29
68°
44°
30
53°
49°
31
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fairfax
Fairfax's October 2026 forecast shows daily high temperatures ranging from 53° to 68°, with overnight lows between 44° and 52°. The average high for October is 61° 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 Fairfax. See also: November | December | January.
