S
M
T
W
T
F
S
29
64°
41°
30
82°
55°
31
70°
39°
1
45°
39°
2
75°
39°
3
57°
39°
4
59°
43°
5
54°
39°
6
54°
36°
7
37°
30°
8
72°
37°
9
70°
46°
10
52°
37°
11
59°
34°
12
82°
57°
13
82°
66°
14
84°
57°
15
75°
61°
16
73°
46°
17
84°
45°
18
63°
41°
19
54°
36°
20
57°
32°
21
79°
48°
22
70°
45°
23
84°
48°
24
73°
48°
25
48°
41°
26
66°
43°
27
68°
52°
28
66°
54°
29
55°
39°
30
57°
37°
1
48°
34°
2
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Gary
Gary's April 2026 forecast shows daily high temperatures ranging from 55° to 55°, with overnight lows between 41° and 41°. The average high for April is 55° with an average low of 41°. 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 Gary. See also: May | June | July.