S
M
T
W
T
F
S
29
59°
21°
30
55°
32°
31
46°
31°
1
37°
25°
2
33°
28°
3
35°
30°
4
36°
31°
5
46°
29°
6
38°
16°
7
40°
10°
8
51°
25°
9
51°
34°
10
47°
27°
11
59°
23°
12
63°
38°
13
66°
45°
14
60°
42°
15
63°
44°
16
73°
46°
17
73°
43°
18
43°
30°
19
41°
19°
20
52°
14°
21
75°
33°
22
72°
28°
23
80°
43°
24
55°
38°
25
61°
31°
26
65°
31°
27
60°
44°
28
56°
34°
29
45°
31°
30
42°
27°
1
44°
27°
2
55°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Blackwell
Blackwell's April 2026 forecast shows daily high temperatures ranging from 42° to 55°, with overnight lows between 27° and 34°. The average high for April is 47° with an average low of 30°. 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 Blackwell. See also: May | June | July.