S
M
T
W
T
F
S
29
72°
34°
30
81°
41°
31
61°
41°
1
52°
34°
2
45°
34°
3
41°
36°
4
41°
34°
5
55°
32°
6
43°
30°
7
45°
40°
8
71°
32°
9
53°
35°
10
58°
35°
11
60°
54°
12
74°
61°
13
78°
47°
14
58°
32°
15
51°
35°
16
61°
42°
17
64°
42°
18
62°
41°
19
62°
47°
20
63°
39°
21
61°
45°
22
61°
44°
23
66°
41°
24
56°
35°
25
63°
46°
26
60°
46°
27
68°
47°
28
69°
43°
29
65°
43°
30
66°
45°
1
68°
48°
2
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Plainfield
Plainfield's April 2026 forecast shows daily high temperatures ranging from 45° to 78°, with overnight lows between 32° and 61°. The average high for April is 63° with an average low of 43°. 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 Plainfield. See also: May | June | July.