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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

56°F

13°C

Humidity 32%
Wind Speed NE 16 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 16 Apr 12:28 PM PDT
Extended Forecast for

3 Miles WSW San Ramon CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. North wind around 14 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. North wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67. North northeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 64. North wind around 14 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 44. North wind 9 to 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 67. North northeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 46. West wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 71. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 66.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.
Monday
Rain likely. Mostly cloudy, with a high near 62.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49.
Tuesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW San Ramon CA
 37.75°N 122°W (Elev. 1362 ft)
Last Update:
12:32 pm PDT Apr 16, 2026
Forecast Valid:
12pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation