S
M
T
W
T
F
S
27
31°
10°
28
24°
12°
29
27°
10°
30
25°
5°
31
25°
19°
1
34°
18°
2
36°
13°
3
37°
11°
4
30°
10°
5
23°
16°
6
33°
18°
7
35°
20°
8
38°
4°
9
40°
3°
10
37°
15°
11
30°
7°
12
34°
1°
13
22°
0°
14
19°
-4°
15
18°
0°
16
16°
11°
17
25°
9°
18
28°
15°
19
37°
4°
20
37°
2°
21
21°
9°
22
21°
14°
23
32°
14°
24
34°
15°
25
33°
14°
26
34°
16°
27
34°
16°
28
35°
15°
29
37°
16°
30
34°
15°
31
25°
16°
1
40°
4°
2
Hist. Avg.
28°
8°
3
Hist. Avg.
28°
8°
4
Hist. Avg.
29°
8°
5
Hist. Avg.
29°
8°
6
Hist. Avg.
29°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Greenbush
Greenbush's January 2027 forecast shows daily high temperatures ranging from 16° to 40°, with overnight lows between -4° and 20°. The average high for January is 30° with an average low of 11°. 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 Greenbush. See also: February | March | April.