Critical Fire Weather Persists in the Southern High Plains; Snow in the Great Lakes into the Northeast

Elevated to critical fire weather conditions will persist across the central and southern High Plains today as gusty winds and dry conditions continue across the region. A clipper system will bring some lake effect snow to the Great Lakes and snow into the Northeast. Well above-average temperatures are expected to expand across much of the West, into the Plains states, and Southeast. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Rain

59°F

15°C

Humidity 93%
Wind Speed SE 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 25 Feb 04:55 AM PST
Extended Forecast for

Castro Valley CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Patchy fog between 8am and 10am.  Otherwise, mostly cloudy, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 56. Calm wind.
Wednesday
Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 52. Light and variable wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 53. Light and variable wind.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
A slight chance of rain after 4pm. Partly sunny, with a high near 66.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 70.
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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 Feb 25, 2026
5am PST Feb 25, 2026-6pm PST Mar 3, 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