Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

81°F

27°C

Humidity 20%
Wind Speed SSE 8 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index79°F (26°C)
Last update 09 Aug 11:28 PM PDT
Extended Forecast for

Pittsburg CA

  • Overnight

    Overnight: Mostly clear, with a low around 67. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. West southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 92. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 64. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 90. West wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 64. West southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.01°N 121.9°W (Elev. 85 ft)
11:27 pm PDT Aug 9, 2026
12am PDT Aug 10, 2026-6pm PDT Aug 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database