S
M
T
W
T
F
S
28
98°
80°
29
99°
79°
30
98°
79°
1
97°
80°
2
98°
80°
3
98°
81°
4
100°
80°
5
98°
75°
6
92°
74°
7
92°
75°
8
98°
80°
9
97°
77°
10
99°
80°
11
95°
75°
12
96°
77°
13
96°
79°
14
97°
79°
15
97°
78°
16
98°
79°
17
97°
76°
18
91°
75°
19
90°
75°
20
91°
76°
21
91°
78°
22
92°
76°
23
92°
79°
24
93°
79°
25
96°
78°
26
97°
79°
27
98°
79°
28
97°
80°
29
99°
80°
30
99°
79°
31
98°
80°
1
99°
80°
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 90° to 100°, with overnight lows between 74° and 81°. The average high for July is 96° with an average low of 78°. 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.
