S
M
T
W
T
F
S
26
91°
70°
27
91°
73°
28
90°
70°
29
91°
69°
30
90°
70°
31
87°
73°
1
91°
73°
2
91°
72°
3
93°
72°
4
93°
71°
5
92°
72°
6
93°
72°
7
93°
70°
8
92°
72°
9
94°
67°
10
89°
65°
11
83°
64°
12
82°
64°
13
83°
65°
14
84°
64°
15
84°
69°
16
86°
72°
17
91°
71°
18
92°
70°
19
92°
70°
20
91°
67°
21
91°
66°
22
82°
65°
23
92°
67°
24
92°
69°
25
Hist. Avg.
86°
65°
26
Hist. Avg.
85°
65°
27
Hist. Avg.
85°
65°
28
Hist. Avg.
85°
65°
29
Hist. Avg.
85°
64°
30
Hist. Avg.
84°
64°
31
Hist. Avg.
84°
64°
1
Hist. Avg.
84°
64°
2
Hist. Avg.
84°
63°
3
Hist. Avg.
83°
63°
4
Hist. Avg.
83°
63°
5
Hist. Avg.
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Lenexa
Lenexa's August 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 64° and 73°. The average high for August is 90° with an average low of 69°. 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 Lenexa. See also: September | October | November.