Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

73°F

23°C

Humidity 41%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 26 Jul 11:28 AM PDT
Extended Forecast for

Pittsburg CA

  • Today

    Today: Sunny, with a high near 81. West southwest wind around 16 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 81. West wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. West southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. West southwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 60. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 81. West wind 13 to 15 mph, with gusts as high as 24 mph.
Monday Night
Clear, with a low around 61. West southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 84. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
11:26 am PDT Jul 26, 2026
11am PDT Jul 26, 2026-6pm PDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database