Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

An arctic cold front will quickly track across the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

60°F

16°C

Humidity 36%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 06 Feb 08:28 AM PST
Extended Forecast for

5 Miles NW Castro Valley CA

  • Today

    Today: Sunny, with a high near 67. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 47. West southwest wind 3 to 5 mph.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am.  Otherwise, increasing clouds, with a low around 48. Light south southwest wind.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 63. West wind 3 to 7 mph.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 11pm, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 67. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 47. West southwest wind 3 to 5 mph.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 48. Light south southwest wind.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 63. West wind 3 to 7 mph.
Sunday Night
Patchy fog before 11pm, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
8:14 am PST Feb 6, 2026
9am PST Feb 6, 2026-6pm PST Feb 12, 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