Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Port Chicago (PCOC1)

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

NA

72°F

22°C

Humidity NA
Wind Speed NE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles WNW Pittsburg CA

Heat Advisory March 20, 11:49am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 11:49am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West southwest wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. West wind 6 to 9 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. West southwest wind around 7 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 90. West northwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 59. West southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 85. West wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 54. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 83. West southwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Pittsburg CA
 38.03°N 121.93°W (Elev. 30 ft)
2:22 am PDT Mar 20, 2026
11am PDT Mar 20, 2026-6pm PDT Mar 26, 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