S
M
T
W
T
F
S
31
57°
33°
1
58°
33°
2
59°
36°
3
58°
35°
4
58°
34°
5
59°
35°
6
61°
35°
7
66°
37°
8
63°
40°
9
60°
39°
10
61°
38°
11
60°
38°
12
61°
39°
13
63°
37°
14
68°
42°
15
71°
39°
16
64°
45°
17
71°
40°
18
66°
39°
19
63°
40°
20
64°
41°
21
64°
40°
22
65°
41°
23
65°
41°
24
66°
42°
25
66°
41°
26
69°
42°
27
70°
47°
28
71°
45°
29
74°
47°
30
73°
45°
1
73°
49°
2
75°
47°
3
73°
43°
4
73°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Richardson
Richardson's June 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 33° and 49°. The average high for June is 65° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Richardson. See also: July | August | September.