S
M
T
W
T
F
S
26
81°
60°
27
83°
59°
28
80°
59°
29
76°
58°
30
83°
60°
31
76°
57°
1
81°
53°
2
76°
53°
3
73°
52°
4
74°
52°
5
75°
53°
6
75°
52°
7
78°
52°
8
79°
54°
9
82°
60°
10
82°
58°
11
78°
59°
12
82°
60°
13
82°
60°
14
81°
56°
15
78°
50°
16
74°
55°
17
78°
49°
18
73°
51°
19
72°
50°
20
73°
53°
21
76°
52°
22
74°
52°
23
73°
51°
24
75°
57°
25
72°
49°
26
73°
56°
27
78°
51°
28
77°
49°
29
70°
52°
30
69°
49°
31
69°
49°
1
70°
47°
2
69°
48°
3
70°
54°
4
75°
49°
5
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montcalm
Montcalm's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 46° and 60°. The average high for August is 76° with an average low of 53°. 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 Montcalm. See also: September | October | November.
