S
M
T
W
T
F
S
27
74°
57°
28
75°
56°
29
76°
49°
30
70°
50°
1
68°
57°
2
74°
56°
3
75°
50°
4
74°
47°
5
65°
46°
6
64°
47°
7
65°
47°
8
71°
52°
9
70°
52°
10
69°
50°
11
62°
46°
12
65°
46°
13
Hist. Avg.
69°
46°
14
Hist. Avg.
68°
46°
15
Hist. Avg.
68°
46°
16
Hist. Avg.
68°
45°
17
Hist. Avg.
67°
45°
18
Hist. Avg.
67°
44°
19
Hist. Avg.
67°
44°
20
Hist. Avg.
66°
44°
21
Hist. Avg.
66°
43°
22
Hist. Avg.
66°
43°
23
Hist. Avg.
65°
42°
24
Hist. Avg.
65°
42°
25
Hist. Avg.
64°
42°
26
Hist. Avg.
64°
41°
27
Hist. Avg.
64°
41°
28
Hist. Avg.
64°
41°
29
Hist. Avg.
63°
40°
30
Hist. Avg.
63°
40°
31
Hist. Avg.
62°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Fairfax
Fairfax's October 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 46° and 57°. The average high for October is 70° with an average low of 51°. 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.
