S
M
T
W
T
F
S
26
79°
57°
27
75°
56°
28
82°
59°
29
81°
59°
30
82°
58°
31
82°
60°
1
83°
59°
2
80°
60°
3
82°
58°
4
78°
57°
5
76°
58°
6
81°
58°
7
82°
54°
8
74°
51°
9
74°
50°
10
75°
56°
11
74°
58°
12
77°
58°
13
81°
60°
14
82°
58°
15
81°
56°
16
75°
53°
17
75°
49°
18
78°
56°
19
79°
55°
20
82°
56°
21
81°
55°
22
79°
54°
23
74°
48°
24
73°
48°
25
76°
49°
26
75°
49°
27
76°
47°
28
78°
48°
29
79°
53°
30
79°
51°
31
78°
54°
1
79°
53°
2
79°
46°
3
78°
42°
4
70°
44°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McBain
McBain's August 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 42° and 60°. The average high for August is 78° with an average low of 54°. 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 McBain. See also: September | October | November.