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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

66°F

19°C

Humidity 42%
Wind Speed WNW 19 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 16 Apr 04:00 PM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Tonight

    Tonight: Clear, with a low around 48. North wind 5 to 9 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 68.

    High: 68 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 48. North wind 5 to 9 mph.
Friday
Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 53.
Monday
Rain likely. Mostly cloudy, with a high near 68.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 51.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.1°W (Elev. 174 ft)
Last Update:
1:26 pm PDT Apr 16, 2026
Forecast Valid:
4pm PDT Apr 16, 2026-6pm PDT Apr 23, 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