S
M
T
W
T
F
S
26
101°
75°
27
102°
75°
28
101°
76°
29
100°
77°
30
103°
78°
31
105°
79°
1
99°
75°
2
98°
65°
3
103°
66°
4
104°
77°
5
102°
78°
6
101°
77°
7
103°
78°
8
103°
78°
9
101°
74°
10
101°
75°
11
103°
77°
12
104°
79°
13
104°
79°
14
103°
78°
15
104°
79°
16
105°
77°
17
106°
72°
18
106°
79°
19
107°
75°
20
106°
78°
21
108°
78°
22
108°
82°
23
107°
80°
24
108°
79°
25
105°
78°
26
104°
75°
27
105°
74°
28
102°
76°
29
101°
76°
30
102°
74°
31
101°
75°
1
101°
74°
2
93°
69°
3
93°
72°
4
97°
74°
5
97°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Granbury
Granbury's August 2026 forecast shows daily high temperatures ranging from 93° to 108°, with overnight lows between 69° and 82°. The average high for August is 102° with an average low of 76°. 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 Granbury. See also: September | October | November.
