S
M
T
W
T
F
S
27
37°
23°
28
37°
18°
29
34°
16°
30
31°
17°
31
31°
9°
1
32°
6°
2
28°
13°
3
28°
24°
4
37°
25°
5
37°
23°
6
38°
10°
7
37°
7°
8
29°
11°
9
28°
11°
10
36°
9°
11
32°
5°
12
27°
6°
13
24°
6°
14
29°
7°
15
25°
11°
16
29°
13°
17
33°
9°
18
29°
8°
19
28°
13°
20
30°
22°
21
37°
24°
22
38°
24°
23
38°
22°
24
39°
23°
25
38°
24°
26
37°
23°
27
39°
23°
28
38°
18°
29
36°
14°
30
36°
17°
31
Hist. Avg.
39°
18°
1
Hist. Avg.
39°
18°
2
Hist. Avg.
39°
18°
3
Hist. Avg.
39°
18°
4
Hist. Avg.
40°
18°
5
Hist. Avg.
40°
18°
6
Hist. Avg.
40°
19°
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 24° to 39°, with overnight lows between 5° and 25°. The average high for January is 33° with an average low of 15°. 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.
