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

Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed W 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 May 10:35 PM PDT
Extended Forecast for

2 Miles NNW Castro Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. South southwest wind around 5 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Southwest wind 3 to 6 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Light southwest wind becoming west 5 to 9 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain before 11am. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 80. Light southwest wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A slight chance of rain before 11am. Partly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Castro Valley CA
 37.73°N 122.08°W (Elev. 614 ft)
Last Update:
1:25 pm PDT May 8, 2025
Forecast Valid:
10pm PDT May 8, 2025-6pm PDT May 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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