S
M
T
W
T
F
S
27
34°
14°
28
31°
13°
29
31°
11°
30
33°
28°
31
42°
23°
1
48°
16°
2
34°
15°
3
28°
11°
4
29°
14°
5
32°
28°
6
39°
33°
7
48°
22°
8
49°
15°
9
39°
13°
10
28°
17°
11
34°
12°
12
32°
9°
13
27°
9°
14
26°
11°
15
28°
12°
16
30°
17°
17
37°
23°
18
35°
20°
19
48°
15°
20
35°
13°
21
29°
18°
22
34°
23°
23
42°
28°
24
43°
32°
25
46°
31°
26
50°
29°
27
48°
28°
28
44°
26°
29
44°
23°
30
33°
16°
31
34°
12°
1
42°
10°
2
Hist. Avg.
41°
24°
3
Hist. Avg.
41°
24°
4
Hist. Avg.
41°
25°
5
Hist. Avg.
41°
25°
6
Hist. Avg.
41°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Plainfield
Plainfield's January 2027 forecast shows daily high temperatures ranging from 26° to 50°, with overnight lows between 9° and 33°. The average high for January is 37° with an average low of 19°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Plainfield. See also: February | March | April.
