S
M
T
W
T
F
S
29
70°
39°
30
73°
40°
31
55°
35°
1
46°
32°
2
36°
32°
3
42°
33°
4
39°
32°
5
53°
28°
6
41°
27°
7
45°
20°
8
64°
38°
9
49°
36°
10
56°
34°
11
51°
34°
12
82°
51°
13
73°
50°
14
65°
50°
15
69°
46°
16
79°
43°
17
67°
31°
18
45°
34°
19
48°
30°
20
62°
45°
21
66°
42°
22
74°
55°
23
76°
58°
24
65°
45°
25
55°
39°
26
54°
40°
27
55°
42°
28
64°
42°
29
62°
44°
30
64°
41°
1
57°
41°
2
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in South St. Paul
South St. Paul's April 2026 forecast shows daily high temperatures ranging from 45° to 76°, with overnight lows between 30° and 58°. The average high for April is 61° with an average low of 42°. 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 St. Paul. See also: May | June | July.