S
M
T
W
T
F
S
26
90°
72°
27
92°
72°
28
91°
73°
29
92°
71°
30
91°
72°
31
91°
71°
1
89°
70°
2
85°
69°
3
85°
70°
4
82°
70°
5
82°
69°
6
85°
70°
7
87°
70°
8
87°
69°
9
88°
70°
10
88°
70°
11
86°
69°
12
85°
69°
13
87°
68°
14
90°
68°
15
90°
69°
16
88°
68°
17
89°
67°
18
86°
68°
19
88°
61°
20
82°
60°
21
80°
59°
22
79°
61°
23
80°
60°
24
82°
61°
25
81°
66°
26
85°
63°
27
88°
66°
28
88°
67°
29
89°
66°
30
88°
66°
31
87°
65°
1
84°
63°
2
83°
58°
3
77°
57°
4
78°
61°
5
81°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Potosi
Potosi's August 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 57° and 73°. The average high for August is 86° with an average low of 67°. 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 Potosi. See also: September | October | November.