S
M
T
W
T
F
S
27
41°
37°
28
42°
37°
29
45°
36°
30
46°
36°
31
43°
37°
1
43°
36°
2
44°
37°
3
44°
39°
4
47°
38°
5
46°
36°
6
45°
35°
7
44°
38°
8
43°
37°
9
44°
36°
10
46°
35°
11
44°
36°
12
44°
34°
13
43°
32°
14
43°
32°
15
36°
26°
16
36°
33°
17
39°
34°
18
43°
33°
19
41°
34°
20
41°
36°
21
44°
36°
22
46°
34°
23
47°
34°
24
46°
28°
25
40°
28°
26
39°
29°
27
38°
32°
28
39°
29°
29
38°
29°
30
37°
27°
31
37°
27°
1
38°
26°
2
38°
27°
3
40°
28°
4
41°
26°
5
40°
28°
6
41°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Greffern
Greffern's January 2027 forecast shows daily high temperatures ranging from 36° to 47°, with overnight lows between 26° and 39°. The average high for January is 42° with an average low of 33°. 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 Greffern. See also: February | March | April.
