S
M
T
W
T
F
S
28
36°
27°
29
51°
29°
30
31°
24°
31
31°
24°
1
35°
17°
2
31°
19°
3
28°
16°
4
34°
25°
5
34°
20°
6
43°
27°
7
54°
33°
8
51°
34°
9
50°
33°
10
49°
40°
11
44°
30°
12
39°
24°
13
49°
29°
14
49°
40°
15
40°
20°
16
30°
17°
17
34°
23°
18
33°
19°
19
31°
12°
20
20°
6°
21
36°
2°
22
46°
33°
23
35°
10°
24
15°
5°
25
18°
9°
26
23°
15°
27
21°
9°
28
16°
7°
29
18°
4°
30
14°
3°
31
19°
3°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Union
Union's January 2026 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.
