S
M
T
W
T
F
S
29
67°
36°
30
77°
54°
31
80°
64°
1
72°
43°
2
78°
43°
3
79°
67°
4
73°
45°
5
54°
41°
6
57°
31°
7
48°
36°
8
65°
52°
9
73°
53°
10
71°
52°
11
71°
54°
12
80°
58°
13
75°
54°
14
73°
54°
15
67°
50°
16
68°
48°
17
64°
47°
18
65°
43°
19
69°
50°
20
70°
50°
21
70°
52°
22
69°
51°
23
71°
50°
24
70°
47°
25
63°
45°
26
60°
50°
27
64°
44°
28
67°
44°
29
62°
41°
30
62°
45°
1
66°
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 48° to 80°, with overnight lows between 31° and 58°. The average high for April is 66° with an average low of 48°. 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.