S
M
T
W
T
F
S
26
83°
57°
27
84°
60°
28
89°
60°
29
89°
59°
30
91°
60°
31
91°
61°
1
92°
60°
2
89°
60°
3
92°
59°
4
86°
55°
5
82°
59°
6
82°
52°
7
83°
57°
8
92°
60°
9
93°
60°
10
92°
59°
11
93°
59°
12
91°
58°
13
88°
58°
14
84°
47°
15
81°
49°
16
83°
54°
17
88°
57°
18
91°
60°
19
93°
56°
20
88°
51°
21
88°
55°
22
91°
59°
23
94°
50°
24
81°
53°
25
84°
51°
26
85°
56°
27
88°
50°
28
87°
53°
29
84°
46°
30
78°
47°
31
80°
51°
1
85°
54°
2
88°
57°
3
88°
53°
4
82°
45°
5
76°
45°
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 76° to 94°, with overnight lows between 45° and 61°. The average high for August is 87° with an average low of 55°. 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.
