National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

haze

48°F

9°C

Humidity 82%
Wind Speed NE 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill45°F (7°C)
Last update 30 Nov 06:54 PM PST
Extended Forecast for

2 Miles SW Castro Valley CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 41. East northeast wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62. East northeast wind around 8 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 43. East wind around 7 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. East northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 62. East northeast wind around 8 mph.
Monday Night
Increasing clouds, with a low around 43. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind becoming east northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
Last Update:
5:59 pm PST Nov 30, 2025
Forecast Valid:
7pm PST Nov 30, 2025-6pm PST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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