S
M
T
W
T
F
S
27
34°
16°
28
34°
12°
29
35°
17°
30
37°
26°
31
43°
21°
1
47°
15°
2
35°
12°
3
31°
15°
4
34°
20°
5
40°
29°
6
45°
30°
7
52°
17°
8
54°
12°
9
35°
13°
10
31°
15°
11
37°
11°
12
33°
10°
13
31°
11°
14
31°
11°
15
32°
14°
16
34°
18°
17
44°
24°
18
41°
15°
19
48°
13°
20
32°
13°
21
32°
20°
22
41°
27°
23
43°
30°
24
45°
33°
25
51°
31°
26
53°
30°
27
46°
27°
28
47°
24°
29
42°
21°
30
37°
19°
31
Hist. Avg.
40°
19°
1
Hist. Avg.
40°
19°
2
Hist. Avg.
40°
19°
3
Hist. Avg.
40°
19°
4
Hist. Avg.
40°
19°
5
Hist. Avg.
40°
20°
6
Hist. Avg.
41°
20°
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 31° to 54°, with overnight lows between 10° and 33°. The average high for January is 40° 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 Union. See also: February | March | April.
