S
M
T
W
T
F
S
29
40°
26°
30
45°
20°
1
37°
15°
2
35°
20°
3
33°
27°
4
42°
23°
5
39°
25°
6
40°
27°
7
42°
28°
8
45°
25°
9
44°
22°
10
39°
24°
11
39°
25°
12
41°
23°
13
38°
14°
14
34°
16°
15
32°
26°
16
42°
23°
17
43°
21°
18
37°
22°
19
38°
18°
20
37°
20°
21
34°
23°
22
39°
22°
23
39°
24°
24
38°
22°
25
39°
18°
26
35°
17°
27
32°
15°
28
34°
16°
29
34°
15°
30
33°
15°
31
33°
19°
1
35°
7°
2
42°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Forest Hills
Forest Hills's December 2026 forecast shows daily high temperatures ranging from 32° to 45°, with overnight lows between 4° and 28°. The average high for December is 38° with an average low of 20°. 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 Forest Hills. See also: January | February | March.
