Thunderstorms Over the Southeast U.S. and Northern Rockies; Critical Fire Weather Conditions in the Plains

Isolated severe thunderstorms and showers will bring a flash flood threat across the Southeast. Scattered severe wind gusts are expected across the northern Rockies into the Plains. Elevated to Critical fire weather conditions are expected across the north/central Plains and Upper Midwest. 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 45%
Wind Speed WNW 18 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 May 02:00 PM PDT
Extended Forecast for

Castro Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. West wind around 15 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. West wind 9 to 11 mph becoming south after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of rain before 11am.  Cloudy through mid morning, then gradual clearing, with a high near 63. South southeast wind 9 to 14 mph becoming west in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West wind 7 to 14 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. West wind 5 to 13 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. West wind around 15 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 50. West wind 9 to 11 mph becoming south after midnight.
Monday
A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 63. South southeast wind 9 to 14 mph becoming west in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 50. West wind 7 to 14 mph.
Tuesday
Mostly sunny, with a high near 67. West wind 5 to 13 mph.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.69°N 122.05°W (Elev. 364 ft)
1:26 pm PDT May 11, 2025
2pm PDT May 11, 2025-6pm PDT May 17, 2025
 
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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