BEFORE YOU HEAD OUT

Antioch weather, air quality and conditions

Plan around Antioch’s forecast, nearby weather observations and current regional air reports.

BLACK DIAMOND (REGIONAL OBSERVATION)

Current weather

Checking the latest report

Measured conditions from the National Weather Service.

PLAN YOUR TIME OUTSIDE

Peak UV forecast

Checking the forecast

The EPA's daily peak forecast, with its own forecast date.

UV index guide ↗

Gas prices

View the gas guide for available station reports and their report times. Confirm pump prices and any cash or membership conditions with the station.

Open the gas guide →

Sunrise and sunset

Plan around sunrise, sunset and the golden-hour windows, calculated for Antioch and shown in Pacific time.

Plan a golden hour →

Conditions update throughout the day.

Rivers and streams

Latest readings from U.S. Geological Survey gauges near Antioch. Provisional data, not a flood forecast; follow National Weather Service flood warnings.

San Joaquin River at Jersey Point CA

7.2 miles from the city center

USGS gauge page ↗

Dutch Slough below Jersey Island Road at Jersey Island

7.5 miles from the city center

USGS gauge page ↗

Threemile Slough near Rio Vista CA

9.4 miles from the city center

USGS gauge page ↗

Sacramento River at Rio Vista CA

12.1 miles from the city center

USGS gauge page ↗

Where Antioch's readings come from

Forecast
National Weather Service San Francisco Bay Area, CA office, forecast grid square 108,111. NWS San Francisco Bay Area, CA ↗
Current conditions
Concord, Buchanan Field (KCCR). KCCR recent observations ↗
UV index
EPA daily UV forecast for ZIP code 94509. About the UV index ↗
Air quality
AirNow reporting area: Concord, CA. AirNow ↗
Weather alerts
Active NWS alerts for the point at Antioch's center, in Contra Costa County. NWS alerts ↗
Climate normals
NOAA 1991–2020 normals at ANTIOCH PUMPING PLT #3, CA, 3.3 miles away: July averages a high of 91°F and January a low of 40°F, with about 13 inches of precipitation a year. NOAA normals data ↗

Antioch weather by month

Antioch AI

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