Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed SSE 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Feb 07:35 AM PST
Extended Forecast for

3 Miles WNW Castro Valley CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South southwest wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 49. South southeast wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 62. South wind around 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 49. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 49 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 45. South southwest wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 62. South wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 49. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Washington's Birthday
Rain. High near 57. Chance of precipitation is 90%.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain, mainly before 4am. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42.
Thursday
Rain likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Castro Valley CA
 37.73°N 122.11°W (Elev. 397 ft)
12:36 am PST Feb 13, 2026
7am PST Feb 13, 2026-6pm PST Feb 19, 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