S
M
T
W
T
F
S
26
92°
77°
27
98°
70°
28
92°
70°
29
93°
73°
30
97°
75°
31
95°
77°
1
95°
72°
2
96°
70°
3
94°
72°
4
92°
70°
5
91°
69°
6
92°
70°
7
92°
71°
8
93°
71°
9
92°
72°
10
94°
73°
11
95°
76°
12
95°
76°
13
97°
75°
14
97°
74°
15
96°
75°
16
97°
72°
17
94°
71°
18
95°
72°
19
97°
72°
20
97°
71°
21
95°
69°
22
94°
69°
23
95°
71°
24
96°
74°
25
95°
73°
26
95°
70°
27
93°
73°
28
95°
72°
29
92°
73°
30
94°
72°
31
93°
72°
1
94°
70°
2
94°
70°
3
92°
69°
4
92°
64°
5
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Southwest Grayson
Southwest Grayson's August 2026 forecast shows daily high temperatures ranging from 87° to 98°, with overnight lows between 63° and 77°. The average high for August is 94° with an average low of 72°. 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 Southwest Grayson. See also: September | October | November.
