S
M
T
W
T
F
S
27
55°
40°
28
46°
38°
29
39°
32°
30
35°
30°
1
30°
27°
2
30°
24°
3
34°
32°
4
44°
32°
5
46°
28°
6
39°
30°
7
36°
26°
8
37°
23°
9
37°
22°
10
39°
23°
11
37°
26°
12
41°
24°
13
34°
20°
14
32°
21°
15
30°
19°
16
31°
14°
17
35°
15°
18
32°
14°
19
26°
17°
20
34°
17°
21
33°
18°
22
31°
17°
23
30°
16°
24
25°
14°
25
21°
1°
26
17°
1°
27
19°
6°
28
19°
10°
29
22°
14°
30
27°
14°
31
28°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Richardson
Richardson's October 2026 forecast shows daily high temperatures ranging from 17° to 46°, with overnight lows between 1° and 32°. The average high for October is 32° with an average low of 18°. 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 Richardson. See also: November | December | January.
