Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

56°F

13°C

Humidity 49%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 18 Apr 09:45 PM PDT
Extended Forecast for

2 Miles N Hercules CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southwest wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind 5 to 11 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 3am.  Partly cloudy, with a low around 51. Southwest wind 7 to 10 mph.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 67. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 53. South wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 61. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Southwest wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind 5 to 11 mph.
Sunday Night
A 20 percent chance of rain after 3am. Partly cloudy, with a low around 51. Southwest wind 7 to 10 mph.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 67. Southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 53. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 61. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Wednesday
A chance of rain. Partly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
8:46 pm PDT Apr 18, 2026
10pm PDT Apr 18, 2026-6pm PDT Apr 25, 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