S
M
T
W
T
F
S
27
77°
58°
28
77°
48°
29
76°
48°
30
66°
52°
1
65°
53°
2
66°
54°
3
65°
50°
4
66°
46°
5
69°
55°
6
71°
55°
7
73°
54°
8
72°
51°
9
73°
44°
10
64°
43°
11
63°
47°
12
63°
42°
13
69°
40°
14
60°
41°
15
62°
47°
16
67°
49°
17
64°
46°
18
63°
49°
19
61°
40°
20
67°
39°
21
59°
40°
22
60°
39°
23
58°
38°
24
69°
47°
25
68°
47°
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 Reston
Reston's October 2026 forecast shows daily high temperatures ranging from 58° to 77°, with overnight lows between 38° and 58°. The average high for October is 67° 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.
