S
M
T
W
T
F
S
29
70°
39°
30
77°
50°
31
81°
61°
1
66°
54°
2
77°
59°
3
81°
66°
4
72°
45°
5
57°
39°
6
61°
37°
7
54°
41°
8
73°
41°
9
77°
50°
10
75°
52°
11
73°
46°
12
79°
54°
13
81°
70°
14
84°
68°
15
79°
64°
16
77°
55°
17
82°
54°
18
68°
39°
19
64°
34°
20
63°
47°
21
76°
54°
22
75°
55°
23
80°
61°
24
75°
52°
25
73°
53°
26
73°
57°
27
74°
53°
28
69°
48°
29
66°
47°
30
65°
46°
1
67°
48°
2
68°
47°
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 63° to 80°, with overnight lows between 46° and 61°. The average high for April is 71° 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 Louisville. See also: May | June | July.
