Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

60°F

16°C

Humidity 27%
Wind Speed E 16 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Jan 12:28 AM PST
Extended Forecast for

5 Miles NW Castro Valley CA

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 64. North northeast wind around 6 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Northeast wind around 6 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Light east northeast wind.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Calm wind.
M.L.King Day
Sunny, with a high near 64. North northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 42. Light northeast wind.
Tuesday
Mostly sunny, with a high near 63. Northeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 44. Light east northeast wind.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 45.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
12:26 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database