S
M
T
W
T
F
S
29
70°
34°
30
67°
40°
31
61°
23°
1
41°
24°
2
62°
32°
3
49°
29°
4
64°
32°
5
70°
31°
6
70°
41°
7
76°
47°
8
64°
36°
9
52°
35°
10
53°
37°
11
58°
35°
12
63°
35°
13
69°
40°
14
73°
42°
15
63°
36°
16
68°
42°
17
69°
43°
18
70°
43°
19
70°
42°
20
69°
43°
21
68°
42°
22
61°
38°
23
56°
36°
24
55°
35°
25
56°
34°
26
58°
34°
27
66°
36°
28
59°
36°
29
60°
39°
30
70°
42°
1
71°
46°
2
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Basin
Basin's April 2026 forecast shows daily high temperatures ranging from 49° to 76°, with overnight lows between 29° and 47°. The average high for April is 64° 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 Basin. See also: May | June | July.