S
M
T
W
T
F
S
29
38°
31°
30
41°
33°
1
37°
33°
2
40°
32°
3
40°
33°
4
39°
32°
5
39°
33°
6
37°
27°
7
37°
26°
8
41°
30°
9
41°
29°
10
40°
24°
11
25°
19°
12
25°
25°
13
32°
29°
14
33°
31°
15
36°
33°
16
39°
29°
17
38°
24°
18
37°
21°
19
30°
20°
20
29°
23°
21
27°
23°
22
34°
16°
23
28°
14°
24
23°
23°
25
36°
30°
26
35°
28°
27
36°
16°
28
33°
14°
29
25°
15°
30
25°
14°
31
24°
12°
1
22°
10°
2
20°
12°
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 20° to 41°, with overnight lows between 10° and 33°. The average high for December is 33° with an average low of 24°. 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.
