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

Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

88°F

31°C

Humidity 27%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index85°F (29°C)
Last update 14 Jul 02:28 PM PDT
Extended Forecast for

Pittsburg CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West wind around 15 mph, with gusts as high as 23 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. West wind around 15 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. West southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

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

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West wind around 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 59. West wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 76. West wind 14 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 59. West southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 74. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
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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 14, 2025
Forecast Valid:
2pm PDT Jul 14, 2025-6pm PDT Jul 20, 2025
 
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