S
M
T
W
T
F
S
26
86°
71°
27
87°
71°
28
91°
70°
29
91°
72°
30
92°
72°
31
92°
71°
1
90°
71°
2
86°
70°
3
87°
70°
4
90°
69°
5
91°
71°
6
90°
70°
7
88°
68°
8
91°
67°
9
87°
66°
10
88°
64°
11
87°
65°
12
90°
66°
13
91°
67°
14
92°
69°
15
91°
69°
16
87°
68°
17
88°
65°
18
86°
69°
19
88°
68°
20
86°
69°
21
87°
68°
22
85°
64°
23
89°
64°
24
90°
65°
25
91°
68°
26
91°
68°
27
87°
67°
28
86°
63°
29
86°
64°
30
87°
67°
31
86°
66°
1
83°
65°
2
83°
62°
3
84°
61°
4
82°
60°
5
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McDonald
McDonald's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 60° and 72°. The average high for August is 88° with an average low of 67°. 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 McDonald. See also: September | October | November.