S
M
T
W
T
F
S
26
84°
65°
27
85°
67°
28
87°
69°
29
87°
70°
30
85°
70°
31
88°
69°
1
87°
69°
2
84°
68°
3
85°
69°
4
85°
69°
5
86°
67°
6
84°
68°
7
84°
67°
8
85°
69°
9
86°
69°
10
84°
68°
11
83°
68°
12
83°
67°
13
84°
67°
14
82°
66°
15
83°
68°
16
84°
68°
17
83°
67°
18
83°
66°
19
84°
63°
20
82°
65°
21
87°
61°
22
83°
60°
23
83°
60°
24
82°
62°
25
83°
65°
26
85°
66°
27
88°
66°
28
89°
64°
29
88°
65°
30
87°
64°
31
87°
62°
1
81°
62°
2
82°
64°
3
86°
59°
4
87°
65°
5
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McKenney
McKenney's August 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 59° and 70°. The average high for August is 85° with an average low of 66°. 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 McKenney. See also: September | October | November.