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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

light rain,mist

48°F

9°C

Humidity 93%
Wind Speed NNE 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 31 Dec 01:15 PM PST
Extended Forecast for

3 Miles N Hercules CA

  • Tonight

    Tonight: Rain. Low around 47. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Cloudy, with a high near 58. East southeast wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 7pm. Mostly cloudy, with a low around 51. Southeast wind around 8 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.

    Low: 51 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday

    Friday: Rain, mainly after 4pm. High near 57. South southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain. Low around 54. South wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Rain

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Tonight
Rain. Low around 47. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain likely, mainly after 4pm. Cloudy, with a high near 58. East southeast wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 7pm. Mostly cloudy, with a low around 51. Southeast wind around 8 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.
Friday
Rain, mainly after 4pm. High near 57. South southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 54. South wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 52. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain. Mostly cloudy, with a low around 49.
Monday
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
Rain likely. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
Last Update:
2:14 pm PST Dec 31, 2025
Forecast Valid:
8pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation