S
M
T
W
T
F
S
29
70°
44°
30
68°
42°
31
57°
38°
1
59°
41°
2
46°
31°
3
53°
30°
4
61°
33°
5
69°
33°
6
72°
38°
7
71°
47°
8
68°
42°
9
72°
43°
10
75°
44°
11
58°
40°
12
53°
35°
13
53°
35°
14
58°
34°
15
56°
35°
16
39°
24°
17
51°
27°
18
64°
32°
19
73°
42°
20
77°
49°
21
78°
49°
22
67°
43°
23
55°
35°
24
57°
37°
25
60°
35°
26
61°
41°
27
65°
42°
28
66°
41°
29
61°
36°
30
54°
32°
1
56°
36°
2
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Twin Falls
Twin Falls's April 2026 forecast shows daily high temperatures ranging from 39° to 78°, with overnight lows between 24° and 49°. The average high for April is 62° with an average low of 38°. 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 Twin Falls. See also: May | June | July.