As of 23:57 PDT

Antioch, CA weather in September

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 September, Antioch, CA averages a high of 83° and a low of 58.2°. About 0.2 inches of precipitation fall over the month (1 wet days). The record high is 113.2° (2022) and the record low 48.4° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.5°	59.2°	0%	107.6° (2017)	53.2° (1970)
2	86.2°	59.5°	0%	107.2° (2017)	52.7° (1960)
3	85.8°	59.2°	0%	102° (2017)	51.8° (1970)
4	86.2°	59°	0%	102° (2022)	51.6° (1960)
5	86.4°	59.4°	2%	110.5° (2022)	52.3° (2000)
6	86.2°	59.4°	2%	113.2° (2022)	52.5° (1973)
7	86.4°	59.5°	0%	110.8° (2020)	52.9° (2002)
8	85.1°	59.5°	2%	108.3° (2022)	52.7° (1978)
9	84°	58.8°	3%	104.5° (2022)	52.5° (1964)
10	83.7°	57.9°	5%	99.1° (2015)	51.3° (1985)
11	84.2°	58.5°	0%	97.9° (1979)	52.5° (1985)
12	83.1°	58.3°	0%	102° (1979)	50.4° (1985)
13	82.4°	58.1°	0%	102.6° (1971)	51.4° (2005)
14	81.3°	57.9°	2%	104.7° (1971)	50.5° (1970)
15	80.4°	57°	3%	100.6° (1971)	50.2° (1970)
16	80.6°	57°	5%	94.3° (2025)	50.5° (2006)
17	81.3°	57.6°	3%	99.1° (1984)	51.8° (1988)
18	80.8°	58.1°	3%	99.3° (1984)	50.7° (1986)
19	81.1°	57.4°	7%	97.3° (2000)	51.1° (2008)
20	82.4°	57.6°	2%	96.8° (1990)	49.6° (1986)
21	82.9°	57.2°	3%	95.7° (2015)	49.8° (1960)
22	82°	57.2°	3%	95.5° (2003)	51.4° (1986)
23	82.8°	57°	2%	96.4° (2024)	51.6° (1988)
24	82.2°	58.3°	5%	98.6° (2024)	52.5° (1993)
25	81.5°	57.9°	7%	95° (2019)	49.8° (1986)
26	82°	58.1°	0%	95.2° (1963)	50.5° (1988)
27	81.3°	57.9°	5%	96.3° (2020)	48.9° (1986)
28	81.1°	57.7°	3%	99.9° (2020)	48.9° (1986)
29	81°	57.4°	2%	96.4° (1990)	50.2° (2007)
30	80.2°	57.2°	5%	95.5° (2020)	48.4° (1971)