Critical Fire Weather in the Plains; Severe Thunderstorms and Heavy Rain in the Mid-South

Gusty winds and low relative humidity will bring fire weather concerns over parts of the central and southern High Plains. Severe thunderstorms and heavy rain are expected across the Mid-South region and central Gulf states. Above average temperatures are expected across much of the country, and numerous daily record-tying/breaking highs will be possible. 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 67%
Wind Speed W 12 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Mar 02:20 PM PDT
Extended Forecast for

Castro Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 8 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. South southwest wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. South wind 5 to 8 mph becoming west in the afternoon.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

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

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 8 mph.
Tonight
Mostly clear, with a low around 46. South southwest wind around 7 mph.
Tuesday
Sunny, with a high near 67. South wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. West wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
2:20 pm PDT Mar 9, 2026
2pm PDT Mar 9, 2026-6pm PDT Mar 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