S
M
T
W
T
F
S
29
54°
44°
30
58°
45°
1
58°
45°
2
57°
44°
3
56°
41°
4
52°
38°
5
52°
43°
6
51°
37°
7
50°
36°
8
49°
37°
9
48°
36°
10
48°
35°
11
49°
34°
12
49°
34°
13
48°
35°
14
47°
34°
15
48°
35°
16
49°
37°
17
50°
42°
18
55°
43°
19
56°
36°
20
54°
35°
21
49°
35°
22
49°
34°
23
48°
35°
24
48°
35°
25
50°
34°
26
51°
34°
27
53°
37°
28
54°
36°
29
56°
38°
30
55°
37°
31
56°
42°
1
54°
44°
2
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lakeside
Lakeside's December 2026 forecast shows daily high temperatures ranging from 47° to 58°, with overnight lows between 34° and 45°. The average high for December is 52° with an average low of 38°. 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 Lakeside. See also: January | February | March.
