S
M
T
W
T
F
S
29
83°
47°
30
82°
56°
31
85°
60°
1
82°
62°
2
84°
68°
3
85°
71°
4
78°
50°
5
71°
43°
6
75°
41°
7
77°
47°
8
80°
51°
9
81°
52°
10
83°
57°
11
84°
60°
12
77°
67°
13
84°
71°
14
83°
70°
15
78°
63°
16
79°
63°
17
84°
65°
18
78°
44°
19
74°
40°
20
76°
45°
21
74°
49°
22
77°
59°
23
77°
61°
24
76°
61°
25
75°
61°
26
84°
60°
27
90°
68°
28
87°
55°
29
75°
53°
30
68°
52°
1
65°
50°
2
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in South Fort Smith
South Fort Smith's April 2026 forecast shows daily high temperatures ranging from 65° to 87°, with overnight lows between 45° and 55°. The average high for April is 73° with an average low of 51°. 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 South Fort Smith. See also: May | June | July.
