S
M
T
W
T
F
S
27
75°
56°
28
76°
57°
29
78°
56°
30
78°
55°
1
76°
52°
2
75°
54°
3
76°
53°
4
75°
54°
5
75°
57°
6
74°
52°
7
70°
48°
8
63°
45°
9
65°
50°
10
66°
49°
11
62°
51°
12
70°
46°
13
62°
42°
14
61°
41°
15
62°
44°
16
64°
52°
17
66°
50°
18
68°
44°
19
69°
43°
20
62°
46°
21
59°
43°
22
59°
38°
23
60°
43°
24
64°
46°
25
66°
41°
26
59°
38°
27
58°
43°
28
59°
42°
29
56°
36°
30
56°
34°
31
54°
34°
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 78°, with overnight lows between 34° and 57°. The average high for October is 66° with an average low of 47°. 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.
