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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

58°F

14°C

Humidity 65%
Wind Speed W 11 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Apr 12:28 PM PDT
Extended Forecast for

3 Miles WSW San Ramon CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. North wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. North wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67. North wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. West wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 42. West wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 64. North wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Clear, with a low around 45. North wind 9 to 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 67. North wind 8 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A chance of rain, mainly after 11am. Partly sunny, with a high near 65.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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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:
1:26 pm PDT Apr 15, 2026
Forecast Valid:
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation