S
M
T
W
T
F
S
26
82°
43°
27
81°
43°
28
77°
41°
29
72°
38°
30
71°
40°
31
74°
41°
1
74°
42°
2
76°
44°
3
79°
40°
4
75°
42°
5
77°
41°
6
77°
43°
7
79°
44°
8
79°
42°
9
78°
41°
10
75°
44°
11
78°
44°
12
74°
43°
13
73°
45°
14
78°
42°
15
73°
43°
16
77°
41°
17
74°
42°
18
75°
43°
19
76°
42°
20
75°
43°
21
75°
41°
22
77°
42°
23
77°
42°
24
73°
43°
25
Hist. Avg.
73°
37°
26
Hist. Avg.
73°
36°
27
Hist. Avg.
73°
36°
28
Hist. Avg.
73°
36°
29
Hist. Avg.
72°
36°
30
Hist. Avg.
72°
36°
31
Hist. Avg.
72°
35°
1
Hist. Avg.
71°
35°
2
Hist. Avg.
71°
35°
3
Hist. Avg.
71°
34°
4
Hist. Avg.
70°
34°
5
Hist. Avg.
70°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Coalmont
Coalmont's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 38° and 45°. The average high for August is 76° with an average low of 42°. 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 Coalmont. See also: September | October | November.