S
M
T
W
T
F
S
27
66°
59°
28
69°
61°
29
75°
56°
30
81°
59°
1
84°
63°
2
79°
57°
3
66°
55°
4
67°
56°
5
68°
50°
6
65°
46°
7
65°
47°
8
67°
49°
9
67°
48°
10
66°
47°
11
64°
49°
12
71°
52°
13
71°
43°
14
60°
41°
15
59°
41°
16
61°
44°
17
65°
48°
18
66°
50°
19
69°
50°
20
67°
49°
21
69°
46°
22
60°
40°
23
57°
38°
24
56°
42°
25
67°
47°
26
68°
42°
27
59°
37°
28
54°
38°
29
59°
45°
30
66°
47°
31
65°
46°
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 54° to 84°, with overnight lows between 37° and 63°. The average high for October is 66° 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 Reston. See also: November | December | January.
