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Thornton, CA Weather

It is 54°F and mostly cloudy in Thornton, CA, observed at 4:30 AM PDT. Today: Mostly Sunny, high 70°F, low 48°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Thornton, CA current weather

54°F

Mostly Cloudy

H 70° / L 48°Feels like 54°

  • No rain expected in the next 12 hours

Observed at Sacramento Executive Airport (19.6 mi away), 10/30/2026, 4:30 AM PDT

Hourly forecast

NWS, updated 10/30/2026, 2:56 AM PT

  1. Now51°
  2. 6 AM50°
  3. 7 AM50°
  4. 8 AM49°
  5. 9 AM53°
  6. 10 AM60°
  7. 11 AM63°
  8. 12 PM67°
  9. 1 PM68°
  10. 2 PM69°
  11. 3 PM70°
  12. 4 PM69°
  13. 5 PM69°
  14. 6 PM67°
  15. 7 PM62°
  16. 8 PM59°
  17. 9 PM57°
  18. 10 PM55°
  19. 11 PM54°
  20. 12 AM53°Sat
  21. 1 AM52°
  22. 2 AM51°
  23. 3 AM51°
  24. 4 AM50°
  25. 5 AM50°
  26. 6 AM49°
  27. 7 AM48°
  28. 8 AM50°
  29. 9 AM53°
  30. 10 AM57°
  31. 11 AM60°12%
  32. 12 PM61°
  33. 1 PM62°
  34. 2 PM63°
  35. 3 PM64°
  36. 4 PM63°
  37. 5 PM62°27%
  38. 6 PM60°27%
  39. 7 PM58°27%
  40. 8 PM56°27%
  41. 9 PM55°27%
  42. 10 PM54°27%
  43. 11 PM54°28%
  44. 12 AM53°28%Sun
  45. 1 AM53°28%
  46. 1 AM52°28%
  47. 2 AM51°28%
  48. 3 AM50°28%

10-day forecast

Tap a day for details

  • Today10/30Low 48°High 70°

    Friday: Mostly sunny, with a high near 70. Southwest wind 1 to 5 mph.

    Overnight: Mostly cloudy. Low around 48, with temperatures rising to around 51 overnight. East southeast wind around 1 mph.

    Mostly Sunny
  • Sat10/3128% chance of precipitationLow 47°High 64°

    Saturday: A chance of rain after 5pm. Cloudy, with a high near 64. South southwest wind 1 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 47. Southwest wind 1 to 5 mph. Chance of precipitation is 30%.

    Cloudy then Chance Light Rain
  • Sun11/1Low 44°High 66°

    Sunday: Mostly sunny, with a high near 66.

    Sunday Night: Mostly clear, with a low around 44.

    Mostly Sunny
  • Mon11/2Low 46°High 65°

    Monday: Mostly sunny, with a high near 65.

    Monday Night: Partly cloudy, with a low around 46.

    Mostly Sunny
  • Tue11/318% chance of precipitationLow 46°High 66°

    Tuesday: A slight chance of rain between 10am and 4pm. Partly sunny, with a high near 66.

    Tuesday Night: A slight chance of rain after 4am. Partly cloudy, with a low around 46.

    Slight Chance Light Rain
  • Wed11/423% chance of precipitationLow 46°High 65°

    Wednesday: A slight chance of rain before 10am. Mostly sunny, with a high near 65.

    Wednesday Night: A slight chance of rain after 4am. Partly cloudy, with a low around 46.

    Slight Chance Light Rain then Mostly Sunny
  • Thu11/523% chance of precipitationLow High 65°

    Thursday: A slight chance of rain before 10am. Mostly sunny, with a high near 65.

    Slight Chance Light Rain then Mostly Sunny
  • Fri11/6Model blend12% chance of precipitationLow 47°High 67°

    Friday: Mostly sunny. High near 67°. Low that night near 47°. About 0.02 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.

  • Sat11/7Model blendLow 47°High 68°

    Saturday: Mostly sunny. High near 68°. Low that night near 47°.

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

  • Sun11/8Model blend10% chance of precipitationLow 47°High 67°

    Sunday: Partly cloudy. High near 67°. Low that night near 47°. About 0.04 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 38.229, -121.422 from the NWS STO office, updated 10/30/2026, 2:56 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSAC (Sacramento Exec, 20 mi), model run 10/30/2026, 1:00 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. Now51°Mostly Cloudy1%1 mph
  2. 6 AM50°Mostly Cloudy0%1 mph
  3. 7 AM50°Mostly Cloudy0%1 mph
  4. 8 AM49°Partly Sunny0%1 mph
  5. 9 AM53°Partly Sunny0%2 mph
  6. 10 AM60°Mostly Sunny0%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 (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Thornton, CA right now?
The latest observation from Sacramento Executive Airport was 54°F and mostly cloudy, reported at 10/30/2026, 4:30 AM PDT.
What is the high temperature today in Thornton, CA?
The National Weather Service forecast for friday calls for a high near 70°F. Mostly Sunny.
Will it rain in Thornton, CA 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 Thornton, CA?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 67°F to 68°F. Model guidance this far out often changes.
What time is sunrise and sunset in Thornton, CA today?
Sunrise is about 7:30 AM PDT and sunset is about 6:08 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Thornton, CA?
At Lodi, the 1991 to 2020 normal high in October is 79°F and the normal low is 50°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: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Elk Grove)
42GoodOzone
AQI forecast tomorrow (Elk Grove)
36GoodOzone

UV index guide · Air quality

Drought

By county

San Joaquin County, week of 10/27/2026

14% of the county is abnormally dry. No drought.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:30 AM
Sunset
6:08 PM
Daylight
10 hr 38 min
Moon
Waning Gibbous 80% lit
First light (civil dawn)
7:02 AM
Last light (civil dusk)
6:35 PM
Moonrise
9:59 PM
Moonset
12:45 PM

Normal October weather

Climate

Normal October high 79°, low 50°, precipitation 0.94 in for the month. 1991 to 2020 normals at Lodi, 11 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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