Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

67°F

19°C

Humidity 47%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 10 Nov 03:28 AM PST
Extended Forecast for

Pittsburg CA

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. East northeast wind 3 to 6 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. West wind around 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely after 4pm.  Mostly cloudy, with a high near 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 56. Breezy.  Chance of precipitation is 90%.

    Low: 56 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Calm wind.
Monday
Mostly sunny, with a high near 78. East northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 57. Light and variable wind.
Veterans Day
Mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 57. West wind around 9 mph.
Wednesday
Rain likely after 4pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 56. Breezy. Chance of precipitation is 90%.
Thursday
Rain. Mostly cloudy, with a high near 61.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Sunday
A chance of rain. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.02°N 121.87°W (Elev. 30 ft)
1:27 am PST Nov 10, 2025
3am PST Nov 10, 2025-6pm PST Nov 16, 2025
 
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