Antioch, CA Weather Forecast
Contra Costa County, California
Live radar, warnings and storm tracking for Antioch, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this morning
It is 53° with a dew point of 47°, which is dry for this time of year. The sky is clear.
The wind turns to the north around 2 PM. The first rain arrives between 8 AM and 9 AM, with the best chance of it around 2 PM. That leaves a usable window outdoors until about 8 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Wet through the window, then cooler and clearing
Wet weather moves in around 8 AM. Total accumulation over the window comes to about 0.15 in.
The overnight low settles near 50°. Tomorrow reaches 62°, 10° cooler than today. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
45–72°F across the weekThe week runs between 45° and 72°, with today the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 100%. 3 of the 7 days stay dry.
Free alerts for Antioch
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Antioch, CA at a glance
Antioch is home to about 117,096 people in Contra Costa County, across 29 square miles. It ranks 54th by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is Brentwood, 5 miles away.
- County
- Contra Costa County
- Population
- 117,096 2023 est.
- Land area
- 29 sq mi
- People per sq mi
- 4,014
- Forecast point
- 37.9783°N, 121.7961°W
How well can the network see Antioch?
The nearest Doppler radar is KDAX (Sacramento, CA), to the N. Its lowest scan passes about 2,400 ft above Antioch. Close enough to see rotation in the low part of a storm, where tornadoes form. Antioch is closer to its radar than 61% of US cities.
The closest weather station is KC83 (Byron Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Antioch
- Brentwood, CA5 mi
- Oakley, CA6 mi
- Pittsburg, CA6 mi
- Clayton, CA8 mi
- Concord, CA11 mi
- Walnut Creek, CA14 mi
- Rio Vista, CA15 mi
- Danville, CA15 mi
Elsewhere in California
Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoAll California forecasts →

