S
M
T
W
T
F
S
27
19°
10°
28
22°
10°
29
29°
7°
30
29°
11°
31
28°
12°
1
30°
4°
2
31°
-4°
3
28°
-6°
4
14°
-9°
5
13°
-7°
6
13°
-4°
7
22°
-6°
8
18°
1°
9
17°
-7°
10
22°
-11°
11
12°
-8°
12
12°
-11°
13
13°
-11°
14
8°
-10°
15
9°
-1°
16
14°
6°
17
20°
3°
18
25°
-7°
19
21°
3°
20
14°
7°
21
25°
8°
22
26°
5°
23
25°
4°
24
22°
4°
25
23°
6°
26
25°
12°
27
24°
12°
28
25°
7°
29
Hist. Avg.
22°
-1°
30
Hist. Avg.
22°
-1°
31
Hist. Avg.
22°
-1°
1
Hist. Avg.
22°
0°
2
Hist. Avg.
22°
0°
3
Hist. Avg.
23°
0°
4
Hist. Avg.
23°
0°
5
Hist. Avg.
23°
0°
6
Hist. Avg.
23°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Mercer
Mercer's January 2027 forecast shows daily high temperatures ranging from 8° to 31°, with overnight lows between -11° and 12°. The average high for January is 21° with an average low of 1°. 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 Mercer. See also: February | March | April.
