S
M
T
W
T
F
S
28
68°
46°
29
68°
45°
30
67°
46°
1
70°
45°
2
74°
48°
3
73°
50°
4
73°
50°
5
74°
49°
6
74°
50°
7
72°
50°
8
72°
48°
9
71°
47°
10
71°
46°
11
72°
47°
12
68°
48°
13
66°
43°
14
64°
44°
15
68°
43°
16
66°
43°
17
68°
46°
18
65°
45°
19
67°
49°
20
69°
49°
21
65°
48°
22
65°
46°
23
71°
46°
24
71°
50°
25
70°
49°
26
68°
48°
27
65°
47°
28
65°
43°
29
68°
44°
30
70°
43°
31
67°
41°
1
62°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Richardson
Richardson's July 2026 forecast shows daily high temperatures ranging from 62° to 74°, with overnight lows between 40° and 50°. The average high for July is 69° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Richardson. See also: August | September | October.
