S
M
T
W
T
F
S
28
98°
79°
29
98°
78°
30
96°
79°
1
98°
78°
2
95°
80°
3
96°
81°
4
96°
79°
5
99°
79°
6
100°
80°
7
98°
79°
8
93°
74°
9
88°
73°
10
96°
78°
11
95°
78°
12
96°
77°
13
95°
78°
14
95°
77°
15
94°
78°
16
96°
78°
17
96°
79°
18
95°
79°
19
97°
78°
20
97°
79°
21
98°
79°
22
97°
78°
23
98°
79°
24
98°
79°
25
97°
80°
26
99°
80°
27
99°
79°
28
98°
81°
29
99°
81°
30
100°
80°
31
100°
80°
1
99°
79°
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 88° to 100°, with overnight lows between 73° and 81°. The average high for July is 97° with an average low of 79°. 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.
