S
M
T
W
T
F
S
28
67°
42°
29
72°
47°
30
72°
43°
1
71°
47°
2
72°
44°
3
68°
47°
4
72°
43°
5
69°
46°
6
68°
43°
7
65°
43°
8
67°
48°
9
71°
46°
10
68°
47°
11
73°
48°
12
69°
43°
13
67°
45°
14
67°
44°
15
66°
43°
16
69°
46°
17
74°
45°
18
73°
43°
19
66°
42°
20
64°
42°
21
65°
43°
22
67°
44°
23
69°
42°
24
69°
42°
25
68°
39°
26
72°
50°
27
72°
50°
28
71°
41°
29
69°
49°
30
70°
50°
31
69°
48°
1
72°
44°
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 64° to 74°, with overnight lows between 39° and 50°. The average high for July is 69° with an average low of 45°. 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.
