S
M
T
W
T
F
S
29
46°
36°
30
43°
36°
31
45°
36°
1
48°
36°
2
54°
30°
3
57°
34°
4
59°
46°
5
70°
41°
6
61°
43°
7
68°
38°
8
67°
38°
9
65°
43°
10
57°
37°
11
68°
41°
12
56°
43°
13
54°
41°
14
57°
41°
15
61°
42°
16
62°
45°
17
61°
45°
18
59°
45°
19
60°
44°
20
56°
44°
21
57°
42°
22
61°
42°
23
65°
43°
24
66°
47°
25
66°
47°
26
59°
43°
27
57°
42°
28
57°
41°
29
58°
40°
30
58°
42°
1
59°
47°
2
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Leonberg
Leonberg's April 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 37° and 47°. The average high for April is 61° with an average low of 43°. 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 Leonberg. See also: May | June | July.