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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

43°F

6°C

Humidity 100%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 26 Dec 11:28 PM PST
Extended Forecast for

3 Miles SE Lamorinda CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 46. West wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51. West northwest wind around 6 mph becoming north in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. Light north northeast wind.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Northeast wind around 7 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 46. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 51. West northwest wind around 6 mph becoming north in the afternoon.
Saturday Night
Increasing clouds, with a low around 37. Light north northeast wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Northeast wind around 7 mph.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northeast wind around 6 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 52.
Monday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 34.
Tuesday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52.
Tuesday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Wednesday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 52.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
New Year's Day
A chance of showers. Cloudy, with a high near 52.
Thursday Night
A chance of showers. Cloudy, with a low around 43.
Friday
A chance of showers. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Lamorinda CA
 37.84°N 122.11°W (Elev. 623 ft)
Last Update:
12:27 pm PST Dec 26, 2025
Forecast Valid:
12am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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