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.

Mist

48°F

9°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Last update 24 Jan 03:35 AM PST
Extended Forecast for

Castro Valley CA

  • Overnight

    Overnight: Mostly clear, with a low around 42. Northeast wind around 6 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North northeast wind 9 to 14 mph, with gusts as high as 29 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. East northeast wind 5 to 7 mph.

    High: 59 °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 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Northeast wind around 6 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 61. North northeast wind 9 to 14 mph, with gusts as high as 29 mph.
Saturday Night
Increasing clouds, with a low around 39. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 59. East northeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 42. Light east northeast wind.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
12:26 am PST Jan 24, 2026
3am 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