S
M
T
W
T
F
S
26
59°
41°
27
70°
36°
28
61°
38°
29
63°
48°
30
64°
48°
1
64°
38°
2
60°
45°
3
61°
41°
4
73°
37°
5
82°
63°
6
70°
48°
7
63°
41°
8
64°
46°
9
66°
50°
10
75°
51°
11
60°
43°
12
61°
43°
13
65°
49°
14
72°
54°
15
71°
53°
16
70°
52°
17
69°
51°
18
68°
50°
19
74°
54°
20
75°
56°
21
75°
55°
22
73°
49°
23
67°
47°
24
66°
49°
25
67°
49°
26
69°
50°
27
68°
49°
28
68°
51°
29
69°
49°
30
69°
52°
31
70°
58°
1
74°
57°
2
71°
54°
3
71°
57°
4
75°
59°
5
74°
57°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pottstown
Pottstown's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 41° and 63°. The average high for May is 70° with an average low of 52°. 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 Pottstown. See also: June | July | August.