S
M
T
W
T
F
S
29
51°
25°
30
41°
18°
1
35°
15°
2
36°
23°
3
44°
25°
4
44°
24°
5
38°
23°
6
37°
20°
7
33°
18°
8
33°
23°
9
43°
23°
10
46°
22°
11
46°
23°
12
45°
22°
13
45°
23°
14
38°
19°
15
39°
21°
16
39°
16°
17
38°
12°
18
36°
8°
19
34°
4°
20
26°
7°
21
27°
17°
22
38°
16°
23
38°
12°
24
36°
11°
25
34°
19°
26
38°
19°
27
41°
18°
28
37°
14°
29
36°
15°
30
36°
5°
31
32°
3°
1
24°
8°
2
27°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Arcadia
Arcadia's December 2026 forecast shows daily high temperatures ranging from 24° to 51°, with overnight lows between 3° and 25°. The average high for December is 37° with an average low of 17°. 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 Arcadia. See also: January | February | March.
