S
M
T
W
T
F
S
27
24°
8°
28
25°
8°
29
25°
13°
30
23°
18°
31
25°
11°
1
31°
7°
2
22°
6°
3
20°
10°
4
21°
20°
5
30°
22°
6
32°
6°
7
33°
3°
8
30°
0°
9
17°
3°
10
19°
2°
11
18°
1°
12
17°
1°
13
15°
3°
14
17°
2°
15
19°
4°
16
19°
4°
17
20°
9°
18
22°
3°
19
20°
1°
20
18°
10°
21
20°
14°
22
25°
20°
23
32°
21°
24
33°
20°
25
33°
19°
26
32°
18°
27
31°
18°
28
32°
16°
29
34°
14°
30
29°
12°
31
Hist. Avg.
27°
10°
1
Hist. Avg.
27°
10°
2
Hist. Avg.
27°
10°
3
Hist. Avg.
27°
10°
4
Hist. Avg.
27°
10°
5
Hist. Avg.
27°
10°
6
Hist. Avg.
28°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Jefferson
Jefferson's January 2027 forecast shows daily high temperatures ranging from 15° to 34°, with overnight lows between 0° and 22°. The average high for January is 25° with an average low of 10°. 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.
