Showers and Thunderstorms Persist of Florida; Unsettled Pattern Returns to Hawaii

A cold front lingering over Florida will continue to bring showers and thunderstorms to the state and a flash flooding threat to the east coast over the next couple of days. Fire weather concerns are expected in portions of the Florida panhandle into southeastern Georgia. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to Hawaii through the weekend. 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 59%
Wind Speed W 11 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 07 Apr 04:20 PM PDT
Extended Forecast for

Castro Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light south southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 56. West wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 11pm.  Mostly cloudy, with a low around 56. West wind 5 to 10 mph becoming light southwest  after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain.  Partly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind 3 to 8 mph.
Wednesday
Sunny, with a high near 76. Light south southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 56. West wind 5 to 9 mph becoming light west southwest after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 56. West wind 5 to 10 mph becoming light southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 53.
Saturday
A chance of rain. Partly sunny, with a high near 67.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.71°N 122.08°W (Elev. 397 ft)
1:26 pm PDT Apr 7, 2026
4pm PDT Apr 7, 2026-6pm PDT Apr 14, 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