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

DIABLO GRANDE (DBLC1)

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

45°F

7°C

Humidity	88%
Wind Speed	SW 9 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	12 Apr 03:00 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

15 Miles S Tracy CA

Overnight
Low: 41 °F
Chance Rain
Sunday
High: 53 °F
Showers
Sunday Night
Low: 38 °F
Chance Rain
then Partly
Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 62 °F
Sunny
Tuesday Night
Low: 40 °F
Mostly Clear
Wednesday
High: 64 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of rain. Mostly cloudy, with a low around 41. Southwest wind around 14 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 53. South southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of rain, mainly before 8pm. Partly cloudy, with a low around 38. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 58. Northwest wind 5 to 9 mph.

Monday Night

Mostly clear, with a low around 39. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 62.

Tuesday Night

Mostly clear, with a low around 40.

Wednesday

Mostly sunny, with a high near 64.

Wednesday Night

Partly cloudy, with a low around 44.