S
M
T
W
T
F
S
29
71°
40°
30
80°
55°
31
83°
63°
1
70°
54°
2
79°
60°
3
82°
65°
4
66°
40°
5
58°
39°
6
58°
31°
7
49°
39°
8
72°
52°
9
75°
54°
10
74°
55°
11
74°
56°
12
78°
59°
13
70°
55°
14
70°
49°
15
68°
48°
16
68°
47°
17
65°
44°
18
69°
51°
19
71°
52°
20
71°
52°
21
72°
53°
22
71°
51°
23
72°
51°
24
71°
49°
25
64°
50°
26
66°
52°
27
69°
47°
28
69°
48°
29
64°
43°
30
63°
50°
1
64°
49°
2
68°
48°
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 49° to 78°, with overnight lows between 31° and 59°. The average high for April is 68° with an average low of 49°. 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.