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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

light rain,mist

52°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 01 Jan 09:54 AM PST
Extended Forecast for

Hayward CA

Coastal Flood Advisory January 1, 10:02am until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 1, 10:02am until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • New Year's Day

    High: 61 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 50. South southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 60. South southeast wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 55. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers. High near 61. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 10pm. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Cloudy, with a low around 50.

    Low: 50 °F

    Showers

Detailed Forecast

New Year's Day
Showers and possibly a thunderstorm. High near 61. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 50. South southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 60. South southeast wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 55. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 61. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers, with thunderstorms also possible after 10pm. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 58. Chance of precipitation is 90%.
Sunday Night
Showers. Cloudy, with a low around 50.
Monday
Showers. Mostly cloudy, with a high near 56.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Tuesday
A chance of showers. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A slight chance of showers. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hayward CA
 37.62°N 122.11°W (Elev. 30 ft)
Last Update:
7:59 am PST Jan 1, 2026
Forecast Valid:
10am PST Jan 1, 2026-6pm PST Jan 7, 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