S
M
T
W
T
F
S
29
73°
39°
30
78°
57°
31
83°
63°
1
84°
63°
2
81°
66°
3
85°
65°
4
75°
46°
5
60°
39°
6
67°
36°
7
65°
40°
8
74°
52°
9
78°
52°
10
79°
57°
11
76°
57°
12
88°
63°
13
82°
64°
14
83°
59°
15
76°
53°
16
70°
51°
17
73°
58°
18
75°
55°
19
75°
59°
20
71°
47°
21
76°
55°
22
76°
54°
23
75°
53°
24
75°
53°
25
71°
52°
26
75°
55°
27
75°
54°
28
71°
53°
29
71°
49°
30
68°
55°
1
69°
55°
2
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in McHenry
McHenry's April 2026 forecast shows daily high temperatures ranging from 65° to 88°, with overnight lows between 40° and 64°. The average high for April is 75° with an average low of 54°. 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 McHenry. See also: May | June | July.
