S
M
T
W
T
F
S
29
71°
40°
30
77°
60°
31
84°
63°
1
75°
62°
2
78°
64°
3
80°
65°
4
74°
43°
5
60°
38°
6
64°
39°
7
56°
37°
8
73°
53°
9
73°
52°
10
74°
55°
11
76°
60°
12
78°
61°
13
73°
60°
14
77°
58°
15
73°
54°
16
71°
51°
17
67°
50°
18
66°
47°
19
73°
51°
20
71°
53°
21
73°
54°
22
73°
52°
23
72°
51°
24
72°
51°
25
65°
50°
26
73°
53°
27
72°
51°
28
71°
52°
29
68°
45°
30
65°
53°
1
66°
51°
2
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Herrin
Herrin's April 2026 forecast shows daily high temperatures ranging from 56° to 78°, with overnight lows between 37° and 61°. The average high for April is 70° with an average low of 51°. 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 Herrin. See also: May | June | July.
