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

Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

69°F

21°C

Humidity 48%
Wind Speed S 20 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 06 Jul 05:28 PM PDT
Extended Forecast for

Pittsburg CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West southwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. West southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West southwest wind around 16 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 74. West southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 57. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 79. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 59. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
Last Update:
1:26 pm PDT Jul 6, 2026
Forecast Valid:
6pm PDT Jul 6, 2026-6pm PDT Jul 13, 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