S
M
T
W
T
F
S
27
101°
65°
28
101°
66°
29
98°
65°
30
95°
61°
1
93°
58°
2
91°
58°
3
92°
57°
4
91°
56°
5
91°
55°
6
92°
54°
7
91°
55°
8
90°
56°
9
92°
61°
10
94°
60°
11
89°
57°
12
89°
52°
13
88°
49°
14
85°
50°
15
85°
51°
16
86°
52°
17
90°
55°
18
93°
57°
19
93°
59°
20
94°
59°
21
93°
60°
22
94°
58°
23
93°
59°
24
92°
58°
25
89°
48°
26
83°
54°
27
84°
51°
28
82°
53°
29
87°
55°
30
84°
48°
31
79°
52°
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 79° to 101°, with overnight lows between 48° and 66°. The average high for October is 90° with an average low of 56°. 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.
