S
M
T
W
T
F
S
29
50°
34°
30
51°
34°
1
50°
32°
2
48°
31°
3
46°
32°
4
49°
31°
5
48°
31°
6
41°
28°
7
38°
24°
8
34°
20°
9
34°
23°
10
40°
27°
11
42°
29°
12
43°
27°
13
40°
28°
14
35°
23°
15
38°
23°
16
40°
27°
17
41°
26°
18
37°
21°
19
38°
17°
20
33°
14°
21
32°
15°
22
30°
20°
23
37°
24°
24
36°
21°
25
36°
12°
26
34°
9°
27
30°
8°
28
29°
9°
29
29°
13°
30
30°
19°
31
29°
14°
1
35°
8°
2
28°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Chatsworth
Chatsworth's December 2026 forecast shows daily high temperatures ranging from 28° to 51°, with overnight lows between 7° and 34°. The average high for December is 38° with an average low of 22°. 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 Chatsworth. See also: January | February | March.
