Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

53°F

12°C

Humidity 76%
Wind Speed SSW 5 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 08 Dec 02:54 PM PST
Extended Forecast for

4 Miles S Hayward CA

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 44. Light and variable wind.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 46.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 62.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A slight chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Hayward CA
 37.57°N 122.1°W (Elev. 164 ft)
12:26 pm PST Dec 8, 2025
3pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database