S
M
T
W
T
F
S
29
60°
32°
30
68°
54°
31
75°
59°
1
59°
39°
2
78°
38°
3
76°
60°
4
79°
50°
5
51°
39°
6
52°
31°
7
38°
25°
8
59°
23°
9
74°
45°
10
71°
42°
11
55°
33°
12
77°
39°
13
79°
59°
14
80°
64°
15
83°
62°
16
77°
57°
17
78°
57°
18
79°
49°
19
52°
33°
20
50°
37°
21
58°
45°
22
65°
53°
23
66°
50°
24
65°
49°
25
59°
45°
26
58°
43°
27
57°
39°
28
58°
39°
29
59°
40°
30
59°
38°
1
60°
39°
2
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Louisville
Louisville's April 2026 forecast shows daily high temperatures ranging from 50° to 83°, with overnight lows between 33° and 64°. The average high for April is 65° with an average low of 47°. 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 Louisville. See also: May | June | July.
