S
M
T
W
T
F
S
29
48°
38°
30
55°
36°
1
55°
34°
2
49°
40°
3
53°
32°
4
54°
31°
5
41°
30°
6
40°
29°
7
39°
31°
8
41°
35°
9
43°
41°
10
52°
36°
11
51°
36°
12
42°
33°
13
40°
35°
14
40°
31°
15
41°
27°
16
38°
25°
17
36°
27°
18
36°
35°
19
42°
37°
20
43°
32°
21
48°
33°
22
40°
39°
23
49°
41°
24
49°
37°
25
48°
35°
26
47°
35°
27
43°
37°
28
46°
38°
29
47°
38°
30
47°
39°
31
49°
36°
1
49°
35°
2
48°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Morningside Heights
Morningside Heights's December 2026 forecast shows daily high temperatures ranging from 36° to 55°, with overnight lows between 25° and 41°. The average high for December is 45° with an average low of 35°. 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 Morningside Heights. See also: January | February | March.
