S
M
T
W
T
F
S
26
88°
62°
27
81°
65°
28
86°
61°
29
89°
59°
30
80°
55°
31
78°
47°
1
83°
60°
2
79°
55°
3
61°
49°
4
69°
46°
5
73°
50°
6
73°
50°
7
71°
46°
8
72°
43°
9
68°
46°
10
70°
42°
11
76°
45°
12
74°
50°
13
73°
55°
14
60°
56°
15
71°
52°
16
76°
42°
17
64°
49°
18
71°
40°
19
82°
47°
20
78°
54°
21
76°
47°
22
76°
38°
23
74°
52°
24
80°
57°
25
72°
54°
26
76°
45°
27
78°
53°
28
78°
50°
29
76°
57°
30
69°
50°
31
72°
52°
1
75°
55°
2
74°
51°
3
73°
47°
4
68°
45°
5
73°
51°
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 68° to 78°, with overnight lows between 45° and 57°. The average high for August is 74° with an average low of 51°. 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.
