National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

59°F

15°C

Humidity 77%
Wind Speed SSE 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Jan 06:20 PM PST
Extended Forecast for

San Lorenzo CA

Coastal Flood Advisory January 1, 06:36pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 06:36pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 51 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 61. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain. Steady temperature around 57. South southeast wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Rain

  • Saturday

    Saturday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. South southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Rain. High near 57. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 51. Southeast wind 9 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 61. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Rain. Steady temperature around 57. South southeast wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. South southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 57. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Monday
Rain likely. Mostly cloudy, with a high near 56.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.66°N 122.12°W (Elev. 66 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation