S
M
T
W
T
F
S
29
41°
27°
30
35°
22°
1
27°
20°
2
28°
22°
3
36°
25°
4
40°
25°
5
31°
24°
6
32°
22°
7
25°
18°
8
25°
22°
9
36°
23°
10
38°
23°
11
38°
22°
12
37°
22°
13
36°
23°
14
26°
20°
15
32°
19°
16
32°
17°
17
30°
13°
18
29°
9°
19
25°
4°
20
20°
4°
21
17°
16°
22
30°
16°
23
31°
11°
24
29°
5°
25
25°
15°
26
26°
17°
27
31°
17°
28
31°
14°
29
30°
12°
30
27°
8°
31
25°
-2°
1
23°
-1°
2
15°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Tracy
Tracy's December 2026 forecast shows daily high temperatures ranging from 15° to 41°, with overnight lows between -2° and 27°. The average high for December is 30° with an average low of 16°. 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 Tracy. See also: January | February | March.
