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
77°
57°
4
82°
58°
5
65°
44°
6
59°
43°
7
65°
44°
8
68°
48°
9
72°
55°
10
67°
52°
11
69°
51°
12
68°
51°
13
72°
56°
14
73°
53°
15
72°
55°
16
74°
54°
17
75°
58°
18
72°
59°
19
76°
58°
20
72°
53°
21
75°
51°
22
68°
51°
23
69°
52°
24
69°
53°
25
70°
52°
26
69°
52°
27
70°
53°
28
71°
57°
29
72°
58°
30
76°
62°
31
73°
61°
1
73°
56°
2
74°
57°
3
74°
60°
4
75°
63°
5
77°
64°
6
76°
64°
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 59° to 82°, with overnight lows between 43° and 64°. The average high for May is 72° with an average low of 55°. 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.