Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

NA

55°F

13°C

Humidity 61%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 16 May 01:00 AM PDT
Extended Forecast for

Hercules CA

  • Overnight

    Overnight: Clear, with a low around 55. West wind around 14 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 74. West wind 13 to 18 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. West northwest wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. North northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 55. West wind around 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 74. West wind 13 to 18 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 53. West northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 76. West northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 60. North northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
1:06 am PDT May 16, 2026
1am PDT May 16, 2026-6pm PDT May 22, 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