S
M
T
W
T
F
S
27
39°
22°
28
38°
23°
29
45°
21°
30
41°
20°
1
42°
28°
2
47°
29°
3
46°
29°
4
46°
28°
5
45°
26°
6
44°
27°
7
39°
26°
8
37°
26°
9
34°
21°
10
38°
17°
11
39°
17°
12
37°
22°
13
37°
22°
14
35°
21°
15
36°
20°
16
37°
22°
17
36°
21°
18
36°
13°
19
34°
10°
20
32°
7°
21
23°
6°
22
23°
6°
23
24°
9°
24
27°
9°
25
26°
5°
26
25°
5°
27
21°
2°
28
18°
0°
29
15°
0°
30
14°
2°
31
15°
2°
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 14° to 47°, with overnight lows between -0° and 29°. The average high for October is 33° with an average low of 16°. 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.
