S
M
T
W
T
F
S
26
90°
73°
27
91°
73°
28
92°
72°
29
92°
73°
30
93°
73°
31
92°
72°
1
93°
73°
2
92°
72°
3
91°
71°
4
93°
72°
5
95°
73°
6
96°
72°
7
96°
69°
8
95°
72°
9
96°
67°
10
91°
72°
11
96°
72°
12
96°
71°
13
92°
72°
14
92°
72°
15
96°
73°
16
96°
73°
17
94°
72°
18
95°
73°
19
94°
72°
20
95°
72°
21
92°
71°
22
95°
72°
23
95°
71°
24
94°
71°
25
93°
69°
26
92°
70°
27
91°
69°
28
94°
70°
29
93°
70°
30
91°
71°
31
94°
70°
1
94°
68°
2
92°
70°
3
93°
70°
4
93°
69°
5
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Topeka
Topeka's August 2026 forecast shows daily high temperatures ranging from 90° to 96°, with overnight lows between 67° and 73°. The average high for August is 93° with an average low of 71°. 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 Topeka. See also: September | October | November.
