S
M
T
W
T
F
S
29
60°
41°
30
61°
34°
1
49°
28°
2
46°
28°
3
53°
39°
4
55°
37°
5
50°
35°
6
47°
31°
7
45°
27°
8
43°
25°
9
44°
28°
10
46°
33°
11
50°
30°
12
57°
34°
13
51°
33°
14
48°
30°
15
48°
30°
16
47°
29°
17
45°
24°
18
42°
20°
19
40°
18°
20
38°
21°
21
41°
29°
22
48°
27°
23
43°
24°
24
41°
21°
25
42°
27°
26
45°
29°
27
44°
27°
28
44°
25°
29
43°
25°
30
43°
24°
31
44°
20°
1
39°
21°
2
41°
30°
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 38° to 61°, with overnight lows between 18° and 41°. The average high for December is 46° with an average low of 28°. 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.
