S
M
T
W
T
F
S
27
46°
25°
28
46°
26°
29
47°
29°
30
50°
31°
31
56°
26°
1
50°
22°
2
45°
21°
3
43°
24°
4
45°
26°
5
49°
36°
6
48°
37°
7
59°
24°
8
60°
22°
9
45°
24°
10
45°
23°
11
46°
21°
12
45°
20°
13
44°
21°
14
44°
20°
15
45°
21°
16
45°
28°
17
46°
24°
18
55°
21°
19
56°
20°
20
41°
23°
21
44°
26°
22
47°
37°
23
51°
39°
24
52°
40°
25
55°
39°
26
60°
36°
27
58°
29°
28
53°
27°
29
47°
24°
30
47°
23°
31
47°
20°
1
61°
26°
2
51°
25°
3
Hist. Avg.
53°
31°
4
Hist. Avg.
53°
32°
5
Hist. Avg.
53°
32°
6
Hist. Avg.
54°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Jefferson
Jefferson's January 2027 forecast shows daily high temperatures ranging from 41° to 61°, with overnight lows between 20° and 40°. The average high for January is 49° with an average low of 26°. 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 Jefferson. See also: February | March | April.
