S
M
T
W
T
F
S
26
55°
44°
27
70°
37°
28
63°
49°
29
61°
49°
30
67°
40°
1
66°
36°
2
57°
39°
3
61°
42°
4
74°
54°
5
84°
61°
6
72°
52°
7
61°
41°
8
59°
40°
9
58°
42°
10
65°
43°
11
66°
44°
12
65°
45°
13
67°
48°
14
70°
50°
15
72°
49°
16
76°
53°
17
77°
54°
18
77°
55°
19
76°
55°
20
77°
54°
21
77°
55°
22
75°
47°
23
68°
47°
24
69°
48°
25
70°
50°
26
71°
49°
27
70°
48°
28
71°
49°
29
72°
49°
30
71°
53°
31
76°
58°
1
79°
58°
2
73°
54°
3
74°
55°
4
79°
58°
5
80°
58°
6
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Charles Town
Charles Town's May 2026 forecast shows daily high temperatures ranging from 57° to 84°, with overnight lows between 39° and 61°. The average high for May is 71° with an average low of 50°. 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 Charles Town. See also: June | July | August.
