S
M
T
W
T
F
S
26
78°
58°
27
80°
60°
28
79°
59°
29
78°
56°
30
78°
62°
31
85°
62°
1
79°
61°
2
79°
57°
3
80°
61°
4
84°
62°
5
82°
61°
6
78°
61°
7
80°
59°
8
78°
56°
9
78°
59°
10
80°
60°
11
77°
58°
12
77°
56°
13
79°
61°
14
82°
62°
15
79°
60°
16
78°
56°
17
77°
55°
18
79°
61°
19
78°
60°
20
77°
57°
21
77°
60°
22
76°
60°
23
76°
58°
24
77°
60°
25
78°
60°
26
79°
59°
27
79°
59°
28
81°
57°
29
82°
55°
30
81°
57°
31
82°
56°
1
82°
57°
2
83°
56°
3
82°
58°
4
81°
57°
5
78°
55°
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 76° to 85°, with overnight lows between 55° and 62°. The average high for August is 79° with an average low of 59°. 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.