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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

49°F

9°C

Humidity 78%
Wind Speed E 18 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 29 Jan 12:28 AM PST
Extended Forecast for

2 Miles NNW San Ramon CA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 64 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 65. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 41. Calm wind.
Friday
Partly sunny, with a high near 65. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 42. Light east northeast wind.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW San Ramon CA
 37.77°N 121.98°W (Elev. 518 ft)
Last Update:
12:26 am PST Jan 29, 2026
Forecast Valid:
1am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

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