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.

Clear

48°F

9°C

Humidity 53%
Wind Speed NE 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 09 Feb 08:20 PM PST
Extended Forecast for

Castro Valley CA

Frost Advisory February 10, 01:00am until February 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Widespread frost before 7am. Otherwise, sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle before 10pm, then rain likely, mainly after 4am. Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Cloudy, with a high near 59.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 49.

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 32. Calm wind.
Monday
Widespread frost before 7am. Otherwise, sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. Light and variable wind.
Tuesday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
A slight chance of drizzle before 10pm, then rain likely, mainly after 4am. Mostly cloudy, with a low around 41. West wind 5 to 7 mph becoming south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly after 10pm. Low around 46. Chance of precipitation is 80%.
Thursday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Cloudy, with a high near 59.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 49.
Friday
Rain, mainly before 4pm. Mostly cloudy, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.69°N 122.05°W (Elev. 364 ft)
Last Update:
2:20 pm PST Feb 9, 2025
Forecast Valid:
8pm PST Feb 9, 2025-6pm PST Feb 16, 2025
 
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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