Frigid Cold in the East; Snow Continues in the Great Lakes

A frigid cold airmass will continue to bring colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected to be tied or broken across the Southeast and Florida. Periods snow will continue downwind of the Great Lakes and in portions of interior New England through Tuesday afternoon, with several inches of snowfall accumulation expected. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Clear

57°F

14°C

Humidity 87%
Wind Speed NW 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Nov 08:35 PM PST
Extended Forecast for

Castro Valley CA

Wind Advisory November 12, 10:00pm until November 13, 10:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind becoming west around 5 mph after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm.  Mostly cloudy, with a high near 69. South wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm.  Low around 59. South southeast wind 11 to 16 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm between 7am and 10am, then showers likely after 10am.  High near 63. South southwest wind 13 to 17 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 51. Southwest wind around 6 mph becoming southeast after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers.  Partly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. Calm wind becoming west around 5 mph after midnight.
Wednesday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 69. South wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Rain, mainly after 10pm. Low around 59. South southeast wind 11 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm between 7am and 10am, then showers likely after 10am. High near 63. South southwest wind 13 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51. Southwest wind around 6 mph becoming southeast after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of rain after 10am. Mostly cloudy, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A slight chance of rain. Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.71°N 122.08°W (Elev. 397 ft)
8:22 pm PST Nov 11, 2025
8pm PST Nov 11, 2025-6pm PST Nov 18, 2025
 
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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