Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

52°F

11°C

Humidity 53%
Wind Speed WNW 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Feb 04:35 PM PST
Extended Forecast for

2 Miles SW Castro Valley CA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind becoming east southeast around 5 mph in the evening.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 61. South wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 61 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am.  Partly cloudy, with a low around 47. South southeast wind around 11 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 67. South wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. South southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm.  Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 63.

    High: 63 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 55.

    Low: 55 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Calm wind becoming east southeast around 5 mph in the evening.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 61. South wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 47. South southeast wind around 11 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 67. South wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 47. South southwest wind around 5 mph becoming light and variable in the evening.
Monday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 69.
Monday Night
Rain, mainly after 10pm. Low around 56. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 63.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 55.
Wednesday
A chance of rain. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Thursday
A chance of rain. Partly sunny, with a high near 69.
Thursday Night
A chance of rain. Partly cloudy, with a low around 51.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
2:25 pm PST Feb 20, 2026
4pm PST Feb 20, 2026-6pm PST Feb 27, 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