S
M
T
W
T
F
S
26
81°
54°
27
85°
51°
28
82°
54°
29
83°
57°
30
83°
52°
31
90°
53°
1
77°
58°
2
76°
53°
3
90°
60°
4
99°
63°
5
101°
63°
6
98°
62°
7
91°
56°
8
85°
55°
9
77°
54°
10
75°
55°
11
81°
55°
12
82°
56°
13
81°
57°
14
81°
55°
15
80°
56°
16
79°
55°
17
78°
58°
18
82°
58°
19
81°
56°
20
79°
53°
21
76°
55°
22
75°
52°
23
77°
57°
24
73°
50°
25
81°
56°
26
82°
58°
27
81°
58°
28
81°
57°
29
76°
57°
30
72°
52°
31
72°
54°
1
71°
52°
2
71°
49°
3
72°
53°
4
74°
53°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mill City
Mill City's August 2026 forecast shows daily high temperatures ranging from 70° to 101°, with overnight lows between 49° and 63°. The average high for August is 80° with an average low of 56°. 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 Mill City. See also: September | October | November.