S
M
T
W
T
F
S
29
53°
38°
30
42°
21°
31
36°
16°
1
38°
5°
2
45°
28°
3
55°
22°
4
47°
26°
5
37°
18°
6
36°
11°
7
26°
10°
8
34°
3°
9
28°
11°
10
36°
1°
11
35°
10°
12
31°
2°
13
29°
-1°
14
32°
3°
15
41°
0°
16
53°
7°
17
45°
21°
18
25°
-5°
19
22°
-13°
20
11°
-5°
21
35°
-4°
22
27°
2°
23
29°
0°
24
46°
12°
25
27°
15°
26
43°
10°
27
44°
4°
28
44°
6°
29
41°
10°
30
47°
19°
31
49°
18°
1
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Hillside
Hillside's January 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 Hillside. See also: February | March | April.