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Antioch, CA 94509 Weather

Today: Sunny, high 70°F, low 52°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Antioch, CA 94509 current weather

66°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 70° / L 52°

No recent station report. NWS hourly forecast updated 10/28/2026, 1:26 PM PT

Hourly forecast

NWS, updated 10/28/2026, 1:26 PM PT

  1. Now66°
  2. 2 PM68°
  3. 3 PM69°
  4. 4 PM69°
  5. 5 PM69°
  6. 6 PM67°
  7. 7 PM62°
  8. 8 PM59°
  9. 9 PM58°
  10. 10 PM58°
  11. 11 PM56°
  12. 12 AM56°Thu
  13. 1 AM56°
  14. 2 AM55°
  15. 3 AM55°
  16. 4 AM54°
  17. 5 AM53°
  18. 6 AM54°
  19. 7 AM54°
  20. 8 AM54°
  21. 9 AM56°
  22. 10 AM58°
  23. 11 AM61°
  24. 12 PM63°
  25. 1 PM65°
  26. 2 PM67°
  27. 3 PM67°
  28. 4 PM67°
  29. 5 PM67°
  30. 6 PM65°
  31. 7 PM62°
  32. 8 PM61°
  33. 9 PM60°
  34. 10 PM60°
  35. 11 PM59°
  36. 12 AM59°Fri
  37. 1 AM58°
  38. 2 AM57°
  39. 3 AM56°
  40. 4 AM56°
  41. 5 AM55°
  42. 6 AM54°
  43. 7 AM54°
  44. 8 AM54°
  45. 9 AM56°
  46. 10 AM59°
  47. 11 AM63°
  48. 12 PM65°

10-day forecast

Tap a day for details

  • Today10/28Low 52°High 70°

    This Afternoon: Sunny, with a high near 70. Northwest wind around 7 mph.

    Tonight: Partly cloudy, with a low around 52. West southwest wind 0 to 3 mph.

    Sunny
  • Thu10/29Low 54°High 68°

    Thursday: Mostly cloudy, with a high near 68. North northwest wind around 2 mph.

    Thursday Night: Mostly cloudy, with a low around 54. West southwest wind around 2 mph.

    Mostly Cloudy
  • Fri10/30Low 53°High 69°

    Friday: Sunny, with a high near 69. West southwest wind 2 to 8 mph.

    Friday Night: Partly cloudy, with a low around 53.

    Sunny
  • Sat10/3123% chance of precipitationLow 51°High 63°

    Saturday: A slight chance of rain after 5pm. Mostly cloudy, with a high near 63.

    Saturday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 51.

    Mostly Cloudy then Slight Chance Light Rain
  • Sun11/1Low 49°High 66°

    Sunday: Sunny, with a high near 66.

    Sunday Night: Mostly clear, with a low around 49.

    Sunny
  • Mon11/210% chance of precipitationLow 52°High 66°

    Monday: Mostly sunny, with a high near 66.

    Monday Night: Partly cloudy, with a low around 52.

    Mostly Sunny
  • Tue11/317% chance of precipitationLow 52°High 67°

    Tuesday: A slight chance of rain between 10am and 4pm. Mostly sunny, with a high near 67.

    Tuesday Night: Partly cloudy, with a low around 52.

    Slight Chance Light Rain
  • Wed11/4Model blendLow 50°High 69°

    Wednesday: Partly cloudy. High near 69°. Low that night near 50°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Thu11/5Model blend12% chance of precipitationLow 50°High 68°

    Thursday: Partly cloudy. High near 68°. Low that night near 50°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend22% chance of precipitationLow 49°High 66°

    Friday: Partly cloudy, slight chance of rain. High near 66°. Low that night near 49°. About 0.09 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 37.986, -121.823 from the NWS MTR office, updated 10/28/2026, 1:26 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KCCR (Concord/Buchanan Fld, 13 mi), model run 10/28/2026, 9:00 AM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now66°Sunny0%7 mph
  2. 2 PM68°Sunny0%7 mph
  3. 3 PM69°Sunny0%6 mph
  4. 4 PM69°Sunny0%5 mph
  5. 5 PM69°Mostly Sunny0%5 mph
  6. 6 PM67°Mostly Clear0%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Frequently asked questions

What is the high temperature today in Antioch, CA 94509?
The National Weather Service forecast for this afternoon calls for a high near 70°F. Sunny.
Will it rain in Antioch, CA 94509 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Antioch, CA 94509?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 66°F to 69°F. Model guidance this far out often changes.
What time is sunrise and sunset in Antioch, CA 94509 today?
Sunrise is about 7:29 AM PDT and sunset is about 6:12 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Antioch, CA 94509?
At Antioch Pumping Plt #3, the 1991 to 2020 normal high in October is 78°F and the normal low is 54°F.

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage:
    • Minor floodingCoyote Creek (Marin) at Tam Valley39.3 mi
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Concord)
39GoodOzone
AQI forecast tomorrow (Concord)
35GoodOzone

UV index guide · Air quality

Drought

By county

Contra Costa County, week of 10/20/2026

No drought or abnormal dryness in this county.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:29 AM
Sunset
6:12 PM
Daylight
10 hr 44 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
7:02 AM
Last light (civil dusk)
6:39 PM
Moonrise
7:49 PM
Moonset
10:35 AM

Normal October weather

Climate

Normal October high 78°, low 54°, precipitation 0.42 in for the month. 1991 to 2020 normals at Antioch Pumping Plt #3, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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