S
M
T
W
T
F
S
29
48°
19°
30
35°
13°
1
33°
12°
2
35°
20°
3
44°
20°
4
37°
19°
5
34°
18°
6
34°
10°
7
31°
5°
8
32°
19°
9
43°
18°
10
43°
17°
11
42°
18°
12
44°
17°
13
43°
18°
14
37°
14°
15
37°
16°
16
37°
9°
17
38°
6°
18
31°
0°
19
32°
1°
20
28°
10°
21
34°
10°
22
36°
4°
23
34°
7°
24
32°
9°
25
37°
15°
26
35°
15°
27
39°
3°
28
36°
1°
29
31°
4°
30
33°
1°
31
30°
0°
1
28°
14°
2
33°
17°
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 28° to 48°, with overnight lows between 0° and 20°. The average high for December is 36° with an average low of 11°. 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.
