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
59°
42°
8
75°
52°
9
79°
50°
10
79°
57°
11
76°
57°
12
88°
63°
13
79°
64°
14
79°
59°
15
72°
53°
16
75°
54°
17
71°
53°
18
77°
57°
19
78°
59°
20
79°
62°
21
71°
47°
22
70°
50°
23
71°
55°
24
75°
56°
25
73°
54°
26
70°
51°
27
69°
51°
28
71°
53°
29
77°
56°
30
76°
57°
1
73°
57°
2
69°
56°
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 69° to 88°, with overnight lows between 47° and 64°. The average high for April is 75° with an average low of 55°. 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.
