S
M
T
W
T
F
S
31
91°
60°
1
90°
61°
2
91°
61°
3
89°
59°
4
84°
60°
5
84°
59°
6
85°
58°
7
84°
54°
8
84°
55°
9
85°
57°
10
89°
58°
11
85°
58°
12
86°
60°
13
92°
61°
14
93°
61°
15
90°
60°
16
89°
59°
17
87°
58°
18
88°
59°
19
91°
59°
20
94°
61°
21
94°
60°
22
95°
59°
23
96°
58°
24
94°
56°
25
92°
55°
26
91°
58°
27
91°
59°
28
98°
61°
29
91°
57°
30
91°
58°
1
92°
57°
2
95°
58°
3
95°
61°
4
96°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grayson
Grayson's June 2026 forecast shows daily high temperatures ranging from 84° to 98°, with overnight lows between 54° and 64°. The average high for June is 90° with an average low of 59°. 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 Grayson. See also: July | August | September.