S
M
T
W
T
F
S
26
89°
56°
27
90°
60°
28
91°
57°
29
88°
59°
30
92°
51°
31
96°
58°
1
91°
58°
2
77°
53°
3
80°
50°
4
84°
52°
5
90°
51°
6
95°
53°
7
95°
57°
8
92°
61°
9
90°
60°
10
91°
56°
11
90°
64°
12
88°
63°
13
86°
61°
14
86°
58°
15
83°
53°
16
90°
66°
17
92°
65°
18
94°
61°
19
92°
63°
20
94°
65°
21
95°
64°
22
89°
56°
23
85°
56°
24
90°
55°
25
90°
57°
26
87°
55°
27
84°
54°
28
84°
55°
29
84°
51°
30
79°
50°
31
88°
57°
1
87°
57°
2
87°
56°
3
86°
57°
4
87°
56°
5
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keller
Keller's August 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 50° and 66°. The average high for August is 88° with an average low of 58°. 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 Keller. See also: September | October | November.
