S
M
T
W
T
F
S
29
80°
38°
30
83°
63°
31
85°
65°
1
84°
65°
2
83°
68°
3
87°
67°
4
78°
50°
5
67°
45°
6
71°
47°
7
74°
48°
8
74°
53°
9
77°
56°
10
81°
58°
11
80°
61°
12
80°
62°
13
77°
58°
14
78°
58°
15
74°
56°
16
73°
50°
17
73°
55°
18
67°
54°
19
76°
55°
20
77°
56°
21
77°
56°
22
76°
57°
23
78°
57°
24
78°
56°
25
77°
58°
26
78°
56°
27
74°
49°
28
70°
52°
29
78°
54°
30
71°
50°
1
71°
54°
2
73°
54°
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 67° to 87°, with overnight lows between 45° and 67°. The average high for April is 76° 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 April weather will actually feel in Charleston. See also: May | June | July.
