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