S
M
T
W
T
F
S
27
75°
53°
28
81°
47°
29
92°
49°
30
90°
53°
1
87°
51°
2
85°
52°
3
93°
57°
4
93°
55°
5
94°
54°
6
94°
56°
7
93°
58°
8
89°
57°
9
87°
56°
10
85°
57°
11
88°
59°
12
86°
57°
13
83°
58°
14
77°
52°
15
70°
53°
16
78°
56°
17
79°
56°
18
80°
57°
19
80°
56°
20
77°
56°
21
73°
55°
22
69°
54°
23
71°
54°
24
74°
55°
25
74°
55°
26
73°
54°
27
75°
54°
28
73°
53°
29
66°
50°
30
72°
53°
31
73°
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 66° to 94°, with overnight lows between 50° and 59°. The average high for October is 80° with an average low of 55°. 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.
