S
M
T
W
T
F
S
26
85°
65°
27
84°
65°
28
83°
64°
29
84°
63°
30
82°
58°
31
77°
56°
1
77°
62°
2
76°
60°
3
80°
62°
4
83°
63°
5
82°
64°
6
83°
63°
7
80°
60°
8
76°
59°
9
76°
59°
10
78°
58°
11
80°
61°
12
81°
62°
13
83°
64°
14
84°
61°
15
82°
64°
16
85°
60°
17
83°
55°
18
76°
53°
19
74°
53°
20
74°
52°
21
75°
53°
22
76°
53°
23
76°
54°
24
77°
54°
25
79°
55°
26
81°
60°
27
81°
53°
28
74°
52°
29
74°
53°
30
75°
57°
31
77°
53°
1
78°
51°
2
74°
50°
3
73°
54°
4
76°
60°
5
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coldwater
Coldwater's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 50° and 65°. The average high for August is 79° with an average low of 58°. 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 Coldwater. See also: September | October | November.