S
M
T
W
T
F
S
29
47°
29°
30
58°
37°
31
47°
34°
1
38°
32°
2
43°
31°
3
71°
40°
4
55°
35°
5
55°
33°
6
39°
25°
7
31°
21°
8
43°
33°
9
62°
39°
10
44°
35°
11
51°
32°
12
57°
48°
13
63°
54°
14
45°
34°
15
42°
35°
16
47°
35°
17
54°
42°
18
54°
40°
19
55°
37°
20
54°
45°
21
60°
39°
22
59°
41°
23
62°
42°
24
62°
37°
25
56°
34°
26
52°
33°
27
53°
32°
28
56°
36°
29
54°
34°
30
52°
34°
1
53°
35°
2
54°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Charleston
Charleston's April 2026 forecast shows daily high temperatures ranging from 31° to 63°, with overnight lows between 21° and 54°. The average high for April is 53° with an average low of 37°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Charleston. See also: May | June | July.
