As of 23:57 PDT

Antioch, CA weather in December

66°

Antioch, Saturday, 8 August, 23:57

Clear. Feels like 65°. High 94°, low 64°.

Pressure29.83 inHg

Wind4 mph W

Humidity69%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In December, Antioch, CA averages a high of 55.4° and a low of 42.4°. About 3.4 inches of precipitation fall over the month (8 wet days). The record high is 70° (1975) and the record low 22.1° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	58.3°	44.8°	25%	66.4° (1977)	37.6° (2007)
2	57.7°	44.1°	25%	69.1° (2011)	33.1° (2022)
3	57.9°	44.2°	28%	68.2° (1979)	36.9° (2022)
4	57.9°	43.9°	22%	67.1° (1979)	34.3° (1971)
5	57.9°	44.2°	22%	67.6° (1979)	32.4° (1972)
6	57.7°	44.2°	25%	68.2° (1979)	31.8° (2013)
7	57.6°	44.4°	30%	69.4° (2020)	33.3° (1978)
8	56.5°	43.2°	15%	66.6° (1979)	28.8° (1972)
9	56.5°	43.7°	25%	66.6° (1990)	24.3° (1972)
10	56.5°	43.3°	25%	66.4° (2020)	25.9° (1972)
11	55.2°	42.6°	30%	63.3° (1996)	27.1° (1972)
12	55.2°	43°	30%	62.4° (1996)	31.8° (1972)
13	55.2°	42.6°	23%	63.5° (1988)	28.2° (1972)
14	54.9°	42.1°	23%	65.5° (1962)	28.6° (1972)
15	54.9°	41.9°	27%	62.6° (1998)	27.7° (1972)
16	55°	41.5°	18%	63.9° (1986)	32.4° (1967)
17	55.2°	41.9°	35%	64.9° (2025)	31.5° (2008)
18	54.7°	41.5°	25%	62.6° (2013)	29.8° (1965)
19	54.3°	41.7°	28%	68.5° (1999)	33.4° (1978)
20	53.8°	41.2°	28%	64.9° (1999)	28° (1990)
21	54.3°	41.2°	37%	66.9° (1999)	24.8° (1990)
22	54°	41.9°	35%	64.2° (2023)	22.1° (1990)
23	54.5°	41.4°	20%	64.4° (2005)	24.6° (1990)
24	54.3°	41.5°	25%	65.3° (2013)	29.7° (1990)
25	54°	40.8°	25%	62.6° (1980)	30.2° (1990)
26	54°	40.5°	27%	65.3° (1967)	30.2° (1987)
27	54.3°	41.2°	32%	63.7° (1967)	30.6° (1988)
28	54°	41.5°	27%	70° (1975)	30.9° (1962)
29	54°	41.5°	32%	62.8° (1975)	29.8° (1990)
30	54.1°	41.4°	30%	63° (1995)	32.4° (1962)
31	54.1°	41.4°	23%	65.8° (1996)	32.9° (1982)