National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

NWS Sacramento Changes to Public and Fire Weather Zones Coming April 16, 2026

Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

52°F

11°C

Humidity 20%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 17 Apr 02:00 AM PDT
Extended Forecast for

15 Miles S Tracy CA

  • Overnight

    Overnight: Clear, with a low around 40. Breezy, with a northwest wind around 22 mph, with gusts as high as 43 mph.

    Low: 40 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 65. North northwest wind 10 to 18 mph, with gusts as high as 37 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North northwest wind 5 to 8 mph becoming west southwest after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Light and variable wind becoming west southwest around 6 mph in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 40. Breezy, with a northwest wind around 22 mph, with gusts as high as 43 mph.
Friday
Sunny, with a high near 65. North northwest wind 10 to 18 mph, with gusts as high as 37 mph.
Friday Night
Partly cloudy, with a low around 45. North northwest wind 5 to 8 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 72. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. Light and variable wind becoming west southwest around 6 mph in the evening.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Tracy CA
 37.52°N 121.46°W (Elev. 1969 ft)
Last Update:
2:01 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation