S
M
T
W
T
F
S
29
68°
50°
30
80°
59°
31
83°
56°
1
85°
63°
2
85°
59°
3
84°
63°
4
85°
65°
5
71°
52°
6
69°
49°
7
78°
42°
8
77°
51°
9
77°
50°
10
83°
48°
11
87°
48°
12
87°
50°
13
84°
53°
14
85°
54°
15
86°
54°
16
86°
55°
17
90°
58°
18
82°
59°
19
68°
43°
20
79°
39°
21
83°
57°
22
81°
56°
23
83°
57°
24
84°
64°
25
80°
60°
26
82°
65°
27
83°
65°
28
82°
57°
29
80°
56°
30
76°
56°
1
74°
54°
2
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sumter
Sumter's April 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 54° and 65°. The average high for April is 80° with an average low of 58°. 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 Sumter. See also: May | June | July.
