S
M
T
W
T
F
S
27
67°
60°
28
71°
61°
29
74°
60°
30
81°
56°
1
86°
61°
2
89°
60°
3
68°
57°
4
64°
60°
5
74°
56°
6
65°
44°
7
73°
42°
8
79°
51°
9
76°
45°
10
70°
49°
11
63°
60°
12
76°
57°
13
84°
52°
14
89°
63°
15
77°
59°
16
82°
60°
17
61°
44°
18
62°
37°
19
68°
36°
20
71°
42°
21
67°
42°
22
68°
36°
23
64°
41°
24
63°
36°
25
66°
39°
26
71°
38°
27
72°
44°
28
66°
46°
29
73°
47°
30
77°
43°
31
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Reston
Reston's October 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 43° and 48°. The average high for October is 70° with an average low of 46°. 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 Reston. See also: November | December | January.
