S
M
T
W
T
F
S
29
42°
30°
30
44°
32°
1
43°
31°
2
42°
31°
3
45°
30°
4
44°
29°
5
43°
28°
6
42°
30°
7
44°
28°
8
42°
26°
9
34°
26°
10
37°
25°
11
38°
26°
12
37°
26°
13
38°
20°
14
39°
15°
15
33°
9°
16
27°
9°
17
26°
12°
18
25°
20°
19
31°
22°
20
37°
19°
21
34°
12°
22
30°
15°
23
32°
5°
24
30°
6°
25
24°
18°
26
31°
11°
27
31°
10°
28
24°
12°
29
27°
10°
30
25°
5°
31
25°
19°
1
34°
18°
2
36°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Greenbush
Greenbush's December 2026 forecast shows daily high temperatures ranging from 24° to 45°, with overnight lows between 5° and 32°. The average high for December is 35° with an average low of 19°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Greenbush. See also: January | February | March.
