S
M
T
W
T
F
S
29
64°
51°
30
64°
52°
1
67°
50°
2
66°
52°
3
65°
53°
4
67°
52°
5
68°
49°
6
64°
47°
7
63°
47°
8
62°
48°
9
61°
51°
10
64°
50°
11
66°
49°
12
67°
49°
13
64°
50°
14
62°
49°
15
64°
49°
16
64°
50°
17
65°
51°
18
66°
52°
19
66°
52°
20
67°
47°
21
64°
45°
22
61°
48°
23
62°
50°
24
65°
49°
25
65°
48°
26
65°
47°
27
Hist. Avg.
66°
49°
28
Hist. Avg.
66°
49°
29
Hist. Avg.
66°
49°
30
Hist. Avg.
66°
50°
31
Hist. Avg.
66°
50°
1
Hist. Avg.
66°
50°
2
Hist. Avg.
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in PETCO Park
PETCO Park's December 2026 forecast shows daily high temperatures ranging from 61° to 68°, with overnight lows between 45° and 53°. The average high for December is 65° with an average low of 50°. 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 PETCO Park. See also: January | February | March.
