S
M
T
W
T
F
S
29
61°
36°
30
57°
35°
1
58°
34°
2
58°
36°
3
55°
35°
4
59°
35°
5
61°
34°
6
59°
35°
7
62°
36°
8
59°
34°
9
52°
29°
10
53°
35°
11
53°
24°
12
54°
26°
13
56°
30°
14
61°
31°
15
62°
33°
16
61°
25°
17
55°
33°
18
56°
32°
19
56°
35°
20
55°
36°
21
61°
24°
22
56°
22°
23
51°
24°
24
52°
26°
25
53°
28°
26
55°
30°
27
52°
31°
28
52°
24°
29
53°
27°
30
52°
24°
31
51°
23°
1
51°
24°
2
53°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lake Isabella
Lake Isabella's December 2026 forecast shows daily high temperatures ranging from 51° to 62°, with overnight lows between 22° and 36°. The average high for December is 56° with an average low of 30°. 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 Lake Isabella. See also: January | February | March.
