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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

60°F

16°C

Humidity 78%
Wind Speed SSW 23 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 13 Nov 04:28 AM PST
Extended Forecast for

5 Miles NW Castro Valley CA

Wind Advisory until November 13, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 13, 04:00pm

    NOW until 4:00pm Thu

    Wind Advisory

  • Overnight

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then rain, mainly after 1pm. High near 64. South wind 13 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. South southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of rain. Partly sunny, with a high near 63. East wind around 6 mph becoming north northeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Partly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 59. South southeast wind around 17 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 1pm, then rain, mainly after 1pm. High near 64. South wind 13 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Rain likely, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. South southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 63. East wind around 6 mph becoming north northeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52.
Sunday
A chance of rain. Mostly cloudy, with a high near 60.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 58.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
Last Update:
2:09 am PST Nov 13, 2025
Forecast Valid:
5am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation