S
M
T
W
T
F
S
29
70°
42°
30
67°
43°
1
65°
43°
2
66°
44°
3
67°
43°
4
66°
43°
5
65°
44°
6
66°
43°
7
67°
42°
8
65°
47°
9
65°
48°
10
66°
49°
11
70°
49°
12
71°
48°
13
71°
48°
14
70°
49°
15
72°
49°
16
72°
48°
17
71°
45°
18
65°
42°
19
63°
49°
20
65°
48°
21
66°
48°
22
64°
45°
23
65°
49°
24
64°
47°
25
66°
42°
26
64°
43°
27
67°
44°
28
66°
43°
29
65°
41°
30
65°
45°
31
65°
46°
1
Hist. Avg.
68°
46°
2
Hist. Avg.
68°
46°
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 63° to 72°, with overnight lows between 41° and 49°. The average high for December is 67° with an average low of 45°. 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.
