S
M
T
W
T
F
S
27
54°
44°
28
52°
47°
29
54°
46°
30
57°
42°
31
57°
41°
1
56°
45°
2
57°
46°
3
57°
41°
4
54°
40°
5
53°
41°
6
55°
42°
7
57°
44°
8
56°
45°
9
51°
44°
10
58°
45°
11
58°
43°
12
57°
43°
13
58°
44°
14
59°
46°
15
58°
43°
16
54°
41°
17
53°
41°
18
54°
42°
19
53°
41°
20
52°
42°
21
56°
44°
22
56°
43°
23
Hist. Avg.
51°
38°
24
Hist. Avg.
51°
38°
25
Hist. Avg.
51°
38°
26
Hist. Avg.
51°
38°
27
Hist. Avg.
51°
38°
28
Hist. Avg.
51°
38°
29
Hist. Avg.
51°
38°
30
Hist. Avg.
52°
38°
31
Hist. Avg.
52°
38°
1
Hist. Avg.
52°
38°
2
Hist. Avg.
52°
38°
3
Hist. Avg.
52°
38°
4
Hist. Avg.
52°
38°
5
Hist. Avg.
52°
38°
6
Hist. Avg.
52°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Whitethorn
Whitethorn's January 2027 forecast shows daily high temperatures ranging from 51° to 59°, with overnight lows between 40° and 47°. The average high for January is 55° with an average low of 43°. 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 Whitethorn. See also: February | March | April.