S
M
T
W
T
F
S
26
98°
77°
27
100°
76°
28
100°
77°
29
99°
77°
30
99°
76°
31
100°
77°
1
99°
76°
2
100°
77°
3
99°
70°
4
95°
71°
5
98°
73°
6
99°
74°
7
101°
78°
8
102°
75°
9
100°
74°
10
96°
76°
11
100°
75°
12
100°
73°
13
98°
71°
14
94°
73°
15
96°
75°
16
97°
75°
17
99°
73°
18
98°
72°
19
93°
75°
20
97°
74°
21
96°
74°
22
98°
73°
23
98°
73°
24
97°
71°
25
96°
70°
26
94°
71°
27
95°
70°
28
91°
68°
29
91°
71°
30
93°
71°
31
91°
70°
1
92°
67°
2
90°
68°
3
91°
69°
4
93°
69°
5
94°
68°
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 90° to 102°, with overnight lows between 67° and 78°. The average high for August is 97° with an average low of 73°. 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.
