Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

61°F

16°C

Humidity 26%
Wind Speed NE 18 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 24 Jan 11:30 AM PST
Extended Forecast for

Castro Valley CA

  • Today

    Today: Sunny, with a high near 62. North northeast wind 9 to 13 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Northeast wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. East northeast wind around 6 mph.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 62. North northeast wind 9 to 13 mph.
Tonight
Increasing clouds, with a low around 39. Northeast wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 61. East northeast wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 42. Light east northeast wind.
Monday
Mostly sunny, with a high near 64. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.71°N 122.08°W (Elev. 397 ft)
12:26 am PST Jan 24, 2026
11am PST Jan 24, 2026-6pm PST Jan 30, 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