S
M
T
W
T
F
S
28
51°
46°
29
53°
44°
30
54°
45°
31
55°
44°
1
54°
45°
2
51°
43°
3
53°
39°
4
57°
38°
5
58°
44°
6
60°
44°
7
64°
43°
8
69°
46°
9
55°
46°
10
54°
45°
11
60°
42°
12
54°
43°
13
47°
41°
14
49°
44°
15
53°
40°
16
55°
38°
17
56°
40°
18
49°
44°
19
49°
40°
20
48°
36°
21
50°
36°
22
55°
41°
23
58°
44°
24
53°
43°
25
59°
37°
26
62°
44°
27
58°
44°
28
51°
45°
29
56°
47°
30
62°
48°
31
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Bethlehem
Bethlehem's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 Bethlehem. See also: February | March | April.
