Antioch, CA Weather Forecast
Right now it is 55°F and light rain in Antioch (as of Tue, 8:28 AM PST). Today: high near 62°F. Tomorrow: sunny, high near 68°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at BLACK DIAMOND (6 mi from the city center).
Weather tomorrow in Antioch
Sunny68°FSunny. High near 68, with temperatures falling to around 65 in the afternoon. Northwest wind 3 to 8 mph.
Partly Cloudy52°FPartly cloudy, with a low around 52. West southwest wind around 6 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Antioch right now.
7-day forecast
Light Rain
88% chance of rain/snow62°F / 52°FRain. Mostly cloudy. High near 62, with temperatures falling to around 58 in the afternoon. South southeast wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible. Tonight: A chance of rain before 10pm. Mostly cloudy, with a low around 52. North northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunny68°F / 52°FSunny. High near 68, with temperatures falling to around 65 in the afternoon. Northwest wind 3 to 8 mph. Wednesday Night: Partly cloudy, with a low around 52. West southwest wind around 6 mph.
Sunny71°F / 52°FSunny, with a high near 71. Northwest wind around 6 mph. Thursday Night: Mostly clear, with a low around 52.
Sunny71°F / 52°FSunny, with a high near 71. Friday Night: Clear, with a low around 52.
Sunny72°F / 53°FSunny, with a high near 72. Saturday Night: Mostly clear, with a low around 53.
Mostly Sunny72°F / 54°FMostly sunny, with a high near 72. Sunday Night: Partly cloudy, with a low around 54.
Partly Sunny71°F / 54°FPartly sunny, with a high near 71. Monday Night: Partly cloudy, with a low around 54.
Forecast issued by NWS forecast office MTR · updated Nov 3, 8:31 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Antioch population: 118,958 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Antioch?
Wednesday, November 4: Sunny, high near 68°F; night: partly cloudy, low around 52°F.
Where does the Antioch forecast come from?
From the National Weather Service forecast office MTR, which writes the official forecast for Antioch's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Antioch weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Antioch (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.