S
M
T
W
T
F
S
29
46°
38°
30
49°
39°
31
45°
38°
1
54°
36°
2
55°
43°
3
61°
42°
4
60°
42°
5
75°
46°
6
65°
45°
7
63°
39°
8
57°
37°
9
57°
34°
10
46°
31°
11
58°
35°
12
62°
38°
13
68°
47°
14
62°
49°
15
64°
49°
16
66°
50°
17
71°
50°
18
69°
44°
19
70°
45°
20
62°
44°
21
53°
42°
22
60°
41°
23
65°
42°
24
71°
44°
25
75°
42°
26
65°
45°
27
66°
39°
28
67°
42°
29
62°
41°
30
59°
34°
1
68°
38°
2
75°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Polten
St. Polten's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 St. Polten. See also: May | June | July.