S
M
T
W
T
F
S
29
49°
39°
30
56°
37°
1
56°
35°
2
50°
40°
3
56°
33°
4
55°
32°
5
42°
31°
6
41°
30°
7
41°
32°
8
42°
36°
9
44°
41°
10
53°
37°
11
53°
37°
12
43°
34°
13
41°
36°
14
41°
32°
15
42°
28°
16
39°
26°
17
37°
28°
18
37°
35°
19
43°
38°
20
44°
33°
21
49°
33°
22
41°
40°
23
50°
42°
24
50°
38°
25
49°
36°
26
48°
36°
27
44°
38°
28
47°
38°
29
48°
39°
30
48°
40°
31
50°
37°
1
50°
36°
2
49°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Flushing
Flushing's December 2026 forecast shows daily high temperatures ranging from 37° to 56°, with overnight lows between 26° and 42°. The average high for December is 47° 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 Flushing. See also: January | February | March.