S
M
T
W
T
F
S
26
93°
73°
27
91°
72°
28
95°
73°
29
91°
73°
30
90°
70°
31
90°
68°
1
84°
72°
2
91°
73°
3
88°
68°
4
86°
72°
5
90°
72°
6
85°
70°
7
86°
70°
8
87°
71°
9
91°
72°
10
89°
71°
11
90°
70°
12
89°
71°
13
87°
72°
14
88°
71°
15
89°
72°
16
88°
70°
17
89°
69°
18
88°
70°
19
87°
69°
20
92°
72°
21
91°
72°
22
90°
71°
23
90°
72°
24
89°
72°
25
90°
71°
26
89°
71°
27
89°
70°
28
88°
71°
29
88°
69°
30
89°
70°
31
89°
70°
1
88°
69°
2
89°
70°
3
88°
69°
4
86°
66°
5
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grayson
Grayson's August 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 65° and 72°. The average high for August is 88° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Grayson. See also: September | October | November.
