S
M
T
W
T
F
S
27
72°
53°
28
71°
52°
29
75°
57°
30
71°
55°
1
68°
56°
2
72°
56°
3
74°
54°
4
73°
57°
5
75°
56°
6
72°
56°
7
73°
55°
8
73°
52°
9
65°
47°
10
62°
50°
11
69°
52°
12
65°
51°
13
68°
53°
14
65°
53°
15
70°
52°
16
69°
51°
17
70°
49°
18
60°
50°
19
60°
50°
20
64°
51°
21
69°
47°
22
65°
42°
23
56°
41°
24
57°
43°
25
62°
45°
26
68°
36°
27
57°
35°
28
57°
35°
29
58°
38°
30
63°
39°
31
66°
44°
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 56° to 75°, with overnight lows between 35° and 57°. The average high for October is 67° with an average low of 49°. 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.
