S
M
T
W
T
F
S
27
79°
59°
28
79°
59°
29
78°
58°
30
75°
58°
1
75°
56°
2
78°
51°
3
72°
46°
4
66°
45°
5
66°
47°
6
67°
45°
7
67°
43°
8
63°
44°
9
65°
48°
10
69°
54°
11
73°
51°
12
74°
43°
13
68°
44°
14
65°
41°
15
62°
41°
16
62°
42°
17
63°
45°
18
69°
41°
19
67°
48°
20
68°
47°
21
70°
47°
22
68°
49°
23
70°
49°
24
70°
48°
25
68°
48°
26
70°
42°
27
70°
37°
28
60°
37°
29
59°
42°
30
58°
44°
31
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Manassas
Manassas's October 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 37° and 59°. The average high for October is 68° 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 Manassas. See also: November | December | January.
