Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Port Chicago (PCOC1)

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

NA

85°F

29°C

Humidity NA
Wind Speed WNW 11 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

4 Miles NNE Hercules CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southwest wind 8 to 10 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Mostly cloudy, with a high near 77. West southwest wind 7 to 11 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South southwest wind around 10 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 77 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southwest wind 8 to 10 mph.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 77. West southwest wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 56. South southwest wind around 10 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 56. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of showers after 11am. Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 56.
Thursday
A slight chance of showers. Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hercules CA
 38.05°N 122.22°W (Elev. 62 ft)
1:42 pm PDT Aug 27, 2026
4pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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