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