S
M
T
W
T
F
S
28
64°
42°
29
64°
44°
30
65°
43°
1
66°
42°
2
63°
42°
3
65°
43°
4
68°
43°
5
65°
44°
6
65°
45°
7
66°
45°
8
67°
47°
9
66°
48°
10
70°
44°
11
68°
46°
12
72°
46°
13
68°
47°
14
73°
48°
15
72°
47°
16
68°
45°
17
71°
45°
18
67°
43°
19
66°
43°
20
65°
44°
21
65°
43°
22
64°
43°
23
65°
46°
24
66°
46°
25
65°
45°
26
65°
42°
27
64°
42°
28
68°
45°
29
71°
45°
30
70°
41°
31
63°
41°
1
62°
42°
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 73°, with overnight lows between 41° and 48°. The average high for July is 67° with an average low of 44°. 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.
