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

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

NA

55°F

13°C

Humidity NA
Wind Speed WSW 16 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles WNW Pittsburg CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. West wind around 11 mph becoming north in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. North northwest wind around 9 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49. Northeast wind around 10 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. East northeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. West wind 13 to 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 53. West wind around 11 mph becoming north in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 38. North northwest wind around 9 mph.
Friday
Sunny, with a high near 49. Northeast wind around 10 mph.
Friday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. East northeast wind around 6 mph.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 53.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Pittsburg CA
 38.03°N 121.96°W (Elev. 59 ft)
Last Update:
12:26 pm PST Jan 7, 2026
Forecast Valid:
5pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation