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

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

4°C

40°F

Humidity 100%
Wind Speed WSW 22 MPH
Barometer NA
Dewpoint 4°C (40°F)
Visibility NA
Wind Chill-1°C (30°F)
Last update 17 Feb 02:28 PM PST
Extended Forecast for

2 Miles NNW San Ramon CA

Flood Advisory February 17, 03:19pm until February 17, 05:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory February 17, 03:19pm until February 17, 05:00pm

    NOW until 5:00pm Tue

    Flood Advisory

  • This Afternoon

    High: 10 °C

    Showers

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then a chance of rain. Low around 2. West northwest wind 11 to 16 km/h becoming light west after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Low: 2 °C

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain between 2pm and 4pm. Partly sunny, with a high near 10. West southwest wind 8 to 14 km/h, with gusts as high as 29 km/h. New precipitation amounts between 2.5 and 5 mm possible.

    High: 10 °C

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 3. Southwest wind 10 to 13 km/h becoming south southeast in the evening. Winds could gust as high as 29 km/h. Chance of precipitation is 90%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Low: 3 °C

    Rain

  • Thursday

    Thursday: Rain, mainly before 10am. High near 9. Southwest wind 11 to 16 km/h becoming northwest 24 to 29 km/h in the morning. Winds could gust as high as 45 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 9 °C

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 10pm. Patchy fog after 4am. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around -1.

    Low: -1 °C

    Chance Rain
    then Frost
    and Patchy
    Fog

  • Friday

    Friday: A slight chance of rain between 10am and 4pm. Patchy fog before 7am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 11. Chance of precipitation is 20%.

    High: 11 °C

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 2.

    Low: 2 °C

    Chance Rain

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 10. West southwest wind around 26 km/h, with gusts as high as 45 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Rain and thunderstorms before 3am, then a chance of rain. Low around 2. West northwest wind 11 to 16 km/h becoming light west after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.
Wednesday
A 50 percent chance of rain between 2pm and 4pm. Partly sunny, with a high near 10. West southwest wind 8 to 14 km/h, with gusts as high as 29 km/h. New precipitation amounts between 2.5 and 5 mm possible.
Wednesday Night
Rain, mainly after 10pm. Low around 3. Southwest wind 10 to 13 km/h becoming south southeast in the evening. Winds could gust as high as 29 km/h. Chance of precipitation is 90%. New precipitation amounts between 7.5 mm and 1 cm possible.
Thursday
Rain, mainly before 10am. High near 9. Southwest wind 11 to 16 km/h becoming northwest 24 to 29 km/h in the morning. Winds could gust as high as 45 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.
Thursday Night
A 30 percent chance of rain before 10pm. Patchy fog after 4am. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around -1.
Friday
A slight chance of rain between 10am and 4pm. Patchy fog before 7am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 11. Chance of precipitation is 20%.
Friday Night
A chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 2.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 13.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 7.
Sunday
Rain likely. Mostly cloudy, with a high near 16.
Sunday Night
Rain. Cloudy, with a low around 9.
Monday
Rain. Cloudy, with a high near 16.
Monday Night
Rain. Cloudy, with a low around 9.
Tuesday
Rain. Cloudy, with a high near 16.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW San Ramon CA
 37.77°N 121.98°W (Elev. 518 m)
Last Update:
2:05 pm PST Feb 17, 2026
Forecast Valid:
3pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation