National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

57°F

14°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Mar 10:15 PM PDT
Extended Forecast for

2 Miles WNW Castro Valley CA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South southeast wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Southwest wind around 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West wind 5 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. South southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 78. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Castro Valley CA
 37.73°N 122.11°W (Elev. 397 ft)
Last Update:
1:25 pm PDT Mar 12, 2026
Forecast Valid:
10pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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