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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

Port Chicago (PCOC1)

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

NA

42°F

6°C

Humidity NA
Wind Speed NE 8 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint N/A
Visibility NA
Wind Chill37°F (3°C)
Last update NA
Extended Forecast for

3 Miles WNW Pittsburg CA

  • Today

    Today: Mostly sunny, with a high near 59. East wind around 7 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. East wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 62. East northeast wind around 6 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 60. Northeast wind around 6 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. East wind around 7 mph.
Tonight
Mostly cloudy, with a low around 42. East wind 3 to 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 62. East northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 43. Calm wind.
M.L.King Day
Sunny, with a high near 60. Northeast wind around 6 mph.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44.
Thursday
Patchy fog. Otherwise, partly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly 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 121.93°W (Elev. 30 ft)
Last Update:
1:13 am PST Jan 17, 2026
Forecast Valid:
11am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation