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Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

55°F

13°C

Humidity 87%
Wind Speed E 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 Nov 02:15 AM PST
Extended Forecast for

Castro Valley CA

Coastal Flood Advisory November 8, 02:38am until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 8, 02:38am until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Overnight

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. Calm wind.
Monday
Partly sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Veterans Day
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A slight chance of rain. Mostly sunny, with a high near 69.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Saturday
A slight chance of rain. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.71°N 122.08°W (Elev. 397 ft)
Last Update:
12:26 am PST Nov 8, 2026
Forecast Valid:
2am PST Nov 8, 2026-6pm PST Nov 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation