S
M
T
W
T
F
S
26
80°
50°
27
82°
59°
28
68°
55°
29
64°
48°
30
66°
39°
1
63°
42°
2
61°
40°
3
73°
39°
4
84°
57°
5
64°
44°
6
65°
42°
7
73°
35°
8
79°
46°
9
83°
56°
10
68°
42°
11
75°
48°
12
81°
56°
13
79°
47°
14
73°
56°
15
76°
57°
16
82°
63°
17
81°
62°
18
78°
64°
19
77°
62°
20
77°
61°
21
81°
65°
22
75°
56°
23
73°
59°
24
78°
60°
25
79°
61°
26
79°
62°
27
80°
62°
28
80°
61°
29
79°
62°
30
80°
61°
31
74°
59°
1
77°
62°
2
81°
63°
3
81°
64°
4
80°
63°
5
81°
64°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Potosi
Potosi's May 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 42° and 65°. The average high for May is 78° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Potosi. See also: June | July | August.