S
M
T
W
T
F
S
27
48°
31°
28
45°
29°
29
44°
27°
30
43°
27°
1
43°
28°
2
42°
23°
3
33°
16°
4
33°
15°
5
35°
20°
6
36°
22°
7
41°
20°
8
42°
22°
9
42°
20°
10
41°
19°
11
40°
24°
12
40°
22°
13
39°
23°
14
40°
23°
15
38°
22°
16
37°
21°
17
37°
21°
18
36°
18°
19
35°
18°
20
30°
17°
21
29°
18°
22
29°
18°
23
30°
16°
24
25°
15°
25
24°
11°
26
24°
14°
27
31°
16°
28
30°
14°
29
28°
14°
30
28°
15°
31
29°
14°
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 24° to 48°, with overnight lows between 11° and 31°. The average high for October is 36° with an average low of 20°. 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.
