S
M
T
W
T
F
S
29
69°
49°
30
64°
43°
1
63°
42°
2
64°
43°
3
63°
42°
4
63°
49°
5
64°
49°
6
68°
45°
7
67°
41°
8
64°
43°
9
65°
44°
10
64°
47°
11
68°
48°
12
70°
45°
13
69°
39°
14
62°
38°
15
59°
40°
16
60°
40°
17
60°
41°
18
61°
42°
19
62°
46°
20
62°
46°
21
63°
42°
22
64°
47°
23
64°
41°
24
62°
42°
25
62°
43°
26
64°
42°
27
63°
41°
28
64°
43°
29
63°
49°
30
67°
45°
31
69°
42°
1
68°
42°
2
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Valley Glen
Valley Glen's December 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 38° and 49°. The average high for December is 64° with an average low of 44°. 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 Valley Glen. See also: January | February | March.
