Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Last update 22 Jan 05:20 AM PST
Extended Forecast for

2 Miles SW Castro Valley CA

  • Today

    Today: Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 61 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Calm wind becoming north northeast 5 to 8 mph in the morning.

    High: 63 °F

    Sunny

  • Saturday Night

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

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 46. Calm wind.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 63. Calm wind becoming north northeast 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
3:11 am PST Jan 22, 2026
5am PST Jan 22, 2026-6pm PST Jan 28, 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