S
M
T
W
T
F
S
28
66°
44°
29
70°
48°
30
74°
49°
1
73°
47°
2
67°
43°
3
68°
49°
4
74°
50°
5
73°
50°
6
73°
49°
7
71°
47°
8
71°
49°
9
73°
50°
10
73°
50°
11
74°
51°
12
74°
47°
13
73°
49°
14
73°
49°
15
74°
43°
16
73°
43°
17
72°
47°
18
72°
46°
19
73°
45°
20
67°
46°
21
68°
48°
22
72°
46°
23
66°
47°
24
66°
43°
25
67°
42°
26
66°
42°
27
65°
43°
28
66°
45°
29
65°
39°
30
65°
41°
31
64°
42°
1
63°
41°
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 63° to 74°, with overnight lows between 39° and 51°. The average high for July is 70° 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.
