Back-to-Back Storms for the Center of the Nation

These storm systems will bring late season snow, sleet and ice for portions of the northern Plains, upper Midwest and Great Lakes region. Meanwhile, where temperatures are warmer, severe thunderstorms are expected for areas of the Mississippi Valley into the southern Plains. Furthermore, combination of windy and dry conditions will raise fire weather concerns for the southern High Plains. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

64°F

18°C

Humidity 39%
Wind Speed WNW 14 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 02 Apr 03:30 PM PDT
Extended Forecast for

Castro Valley CA

  • Tonight

    Tonight: Clear, with a low around 44. North wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. East wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Light and variable wind becoming north northeast 5 to 7 mph after midnight.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. North northeast wind 5 to 8 mph becoming light and variable.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 44. North wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 75. East wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 50. Light and variable wind becoming north northeast 5 to 7 mph after midnight.
Saturday
Sunny, with a high near 82. North northeast wind 5 to 8 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 54.
Wednesday
A slight chance of rain. Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
1:26 pm PDT Apr 2, 2026
3pm PDT Apr 2, 2026-6pm PDT Apr 9, 2026
 
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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