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

Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

72°F

22°C

Humidity 51%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 30 Jul 04:28 PM PDT
Extended Forecast for

Pittsburg CA

  • Tonight

    Tonight: Clear, with a low around 60. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 60. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 81. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 61. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 80. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
Clear, with a low around 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
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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 30, 2025
Forecast Valid:
5pm PDT Jul 30, 2025-6pm PDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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