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

Severe Thunderstorms Thursday in the Southern Plains; Coastal Storm to Bring Rain and Wind to New England

Severe thunderstorms are possible across parts of the southern Plains Thursday, with large hail the main threat. A few instances of 2+ inch diameter hail are possible. A storm system moving north along the New England coast will bring heavy rain and gusty winds to the region Thursday and Friday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

62°F

17°C

Humidity 60%
Wind Speed W 10 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 21 May 07:54 PM PDT
Extended Forecast for

Castro Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. South southwest wind 6 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. West wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 50. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 73. West wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Increasing clouds, with a low around 50. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 50. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 73.
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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:
1:25 pm PDT May 21, 2025
Forecast Valid:
8pm PDT May 21, 2025-6pm PDT May 28, 2025
 
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Additional Resources

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Chance of Precipitation