S
M
T
W
T
F
S
28
89°
74°
29
90°
76°
30
91°
75°
1
94°
76°
2
94°
77°
3
93°
77°
4
95°
76°
5
95°
78°
6
94°
78°
7
96°
77°
8
96°
78°
9
95°
78°
10
95°
77°
11
94°
78°
12
95°
77°
13
96°
73°
14
93°
73°
15
92°
71°
16
93°
72°
17
93°
74°
18
94°
75°
19
94°
74°
20
93°
74°
21
93°
75°
22
94°
74°
23
95°
76°
24
98°
76°
25
97°
75°
26
95°
74°
27
95°
74°
28
94°
75°
29
93°
75°
30
94°
76°
31
95°
76°
1
96°
77°
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 89° to 98°, with overnight lows between 71° and 78°. The average high for July is 94° with an average low of 75°. 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.
