S
M
T
W
T
F
S
27
50°
28°
28
47°
27°
29
47°
24°
30
46°
23°
1
42°
30°
2
45°
30°
3
47°
29°
4
44°
29°
5
36°
18°
6
34°
13°
7
32°
10°
8
30°
9°
9
28°
14°
10
29°
19°
11
31°
28°
12
38°
27°
13
39°
23°
14
38°
21°
15
37°
18°
16
32°
20°
17
30°
11°
18
32°
6°
19
26°
5°
20
21°
4°
21
19°
4°
22
19°
-1°
23
17°
0°
24
15°
10°
25
22°
12°
26
30°
14°
27
25°
8°
28
26°
6°
29
23°
5°
30
24°
-2°
31
22°
-4°
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 15° to 50°, with overnight lows between -4° and 30°. The average high for October is 32° with an average low of 15°. 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.
