S
M
T
W
T
F
S
29
68°
50°
30
80°
51°
31
66°
46°
1
59°
41°
2
59°
38°
3
69°
50°
4
69°
56°
5
73°
32°
6
42°
27°
7
47°
27°
8
41°
29°
9
40°
35°
10
40°
32°
11
57°
29°
12
63°
31°
13
57°
38°
14
57°
32°
15
62°
44°
16
63°
36°
17
62°
42°
18
57°
40°
19
41°
26°
20
35°
22°
21
38°
18°
22
50°
18°
23
56°
24°
24
58°
24°
25
60°
33°
26
57°
51°
27
57°
43°
28
54°
46°
29
69°
54°
30
71°
54°
31
69°
46°
1
74°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Union
Union'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 Union. See also: February | March | April.