S
M
T
W
T
F
S
29
66°
36°
30
77°
50°
31
77°
50°
1
48°
37°
2
75°
39°
3
77°
64°
4
68°
41°
5
52°
37°
6
54°
37°
7
45°
30°
8
68°
34°
9
76°
56°
10
61°
36°
11
66°
54°
12
83°
59°
13
74°
63°
14
73°
60°
15
75°
57°
16
69°
52°
17
68°
48°
18
68°
48°
19
69°
47°
20
70°
49°
21
69°
48°
22
68°
42°
23
60°
48°
24
68°
50°
25
70°
47°
26
61°
42°
27
59°
42°
28
63°
47°
29
70°
51°
30
68°
52°
1
72°
50°
2
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thorntown
Thorntown's April 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 36° and 63°. The average high for April is 68° with an average low of 50°. 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 Thorntown. See also: May | June | July.