S
M
T
W
T
F
S
29
77°
30°
30
75°
33°
31
44°
33°
1
50°
33°
2
52°
33°
3
40°
27°
4
52°
30°
5
61°
29°
6
54°
28°
7
69°
45°
8
64°
32°
9
52°
33°
10
53°
32°
11
53°
34°
12
64°
36°
13
70°
43°
14
62°
35°
15
67°
41°
16
65°
40°
17
68°
42°
18
70°
43°
19
73°
46°
20
71°
45°
21
73°
44°
22
68°
43°
23
58°
39°
24
56°
33°
25
54°
31°
26
56°
31°
27
58°
40°
28
59°
37°
29
58°
35°
30
68°
44°
1
70°
45°
2
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Interior
Interior's April 2026 forecast shows daily high temperatures ranging from 40° to 73°, with overnight lows between 27° and 46°. The average high for April is 61° with an average low of 37°. 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 Interior. See also: May | June | July.
