S
M
T
W
T
F
S
27
38°
22°
28
38°
21°
29
36°
15°
30
35°
16°
31
32°
5°
1
31°
3°
2
26°
15°
3
27°
21°
4
38°
23°
5
39°
18°
6
38°
7°
7
36°
5°
8
25°
10°
9
26°
9°
10
34°
6°
11
30°
1°
12
24°
4°
13
22°
1°
14
25°
5°
15
22°
14°
16
29°
8°
17
28°
5°
18
26°
4°
19
26°
6°
20
30°
20°
21
36°
21°
22
38°
21°
23
37°
20°
24
38°
21°
25
37°
22°
26
38°
20°
27
38°
19°
28
36°
13°
29
34°
8°
30
34°
15°
31
Hist. Avg.
34°
13°
1
Hist. Avg.
34°
14°
2
Hist. Avg.
34°
14°
3
Hist. Avg.
34°
14°
4
Hist. Avg.
35°
15°
5
Hist. Avg.
35°
15°
6
Hist. Avg.
35°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Union
Union's January 2027 forecast shows daily high temperatures ranging from 22° to 39°, with overnight lows between 1° and 23°. The average high for January is 32° with an average low of 13°. 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.
