S
M
T
W
T
F
S
27
62°
57°
28
59°
54°
29
63°
54°
30
65°
52°
1
70°
53°
2
77°
54°
3
64°
40°
4
65°
49°
5
62°
37°
6
58°
35°
7
67°
47°
8
65°
43°
9
66°
43°
10
64°
39°
11
65°
42°
12
68°
49°
13
64°
44°
14
59°
37°
15
60°
42°
16
59°
43°
17
57°
35°
18
62°
37°
19
52°
31°
20
52°
29°
21
51°
30°
22
51°
38°
23
54°
35°
24
57°
38°
25
52°
36°
26
50°
34°
27
49°
32°
28
48°
29°
29
49°
34°
30
59°
37°
31
59°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Arlington
Arlington's October 2026 forecast shows daily high temperatures ranging from 48° to 68°, with overnight lows between 29° and 49°. The average high for October is 58° with an average low of 38°. 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 Arlington. See also: November | December | January.
