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
72°
50°
15
68°
46°
16
75°
51°
17
78°
34°
18
38°
27°
19
48°
31°
20
62°
44°
21
68°
50°
22
71°
43°
23
60°
36°
24
61°
35°
25
62°
39°
26
57°
32°
27
55°
33°
28
56°
37°
29
59°
34°
30
56°
35°
1
61°
44°
2
58°
43°
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 38° to 78°, with overnight lows between 27° and 51°. 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.
