S
M
T
W
T
F
S
29
72°
32°
30
83°
35°
31
59°
38°
1
51°
33°
2
40°
34°
3
38°
32°
4
41°
33°
5
58°
30°
6
43°
26°
7
44°
19°
8
70°
35°
9
50°
27°
10
55°
31°
11
52°
36°
12
73°
50°
13
79°
53°
14
70°
49°
15
66°
46°
16
77°
43°
17
79°
36°
18
49°
31°
19
48°
25°
20
61°
44°
21
76°
40°
22
80°
57°
23
73°
53°
24
58°
34°
25
55°
35°
26
54°
36°
27
55°
33°
28
56°
36°
29
57°
35°
30
55°
38°
1
71°
52°
2
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mason City
Mason City's April 2026 forecast shows daily high temperatures ranging from 48° to 80°, with overnight lows between 25° and 57°. The average high for April is 61° with an average low of 39°. 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 Mason City. See also: May | June | July.
