Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

55°F

13°C

Humidity 71%
Wind Speed WSW 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 10 Dec 01:20 PM PST
Extended Forecast for

San Lorenzo CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. North wind around 7 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. Northeast wind 3 to 5 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Light and variable wind becoming west around 6 mph in the morning.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. East northeast wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Northeast wind around 6 mph becoming west northwest in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. North wind around 7 mph.
Tonight
Clear, with a low around 43. Northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 62. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 44. East northeast wind around 5 mph.
Friday
Sunny, with a high near 62. Northeast wind around 6 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 64.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.68°N 122.13°W (Elev. 112 ft)
12:37 pm PST Dec 10, 2025
1pm PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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