Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Partly Cloudy

57°F

14°C

Humidity 82%
Wind Speed WNW 6 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 May 07:15 PM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 76. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. Southwest wind 7 to 10 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Southwest wind around 8 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. West southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 76. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 54. Southwest wind 7 to 10 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Southwest wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
1:26 pm PDT May 8, 2026
7pm PDT May 8, 2026-6pm PDT May 15, 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