Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

61°F

16°C

Humidity 77%
Wind Speed ESE 5 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Nov 12:55 AM PST
Extended Forecast for

2 Miles SW Castro Valley CA

Coastal Flood Advisory November 13, 01:20am until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 13, 01:20am until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Overnight

    Low: 56 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 5pm, then rain likely.  High near 62. South wind 11 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain between midnight and 3am.  Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming light and variable  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 65. Light and variable wind becoming west southwest around 5 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 64. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain then
    Rain Likely

  • Monday

    Monday: A chance of rain before 10am.  Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 56. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.
Friday
Rain and possibly a thunderstorm before 5pm, then rain likely. High near 62. South wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 40 percent chance of rain between midnight and 3am. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming light and variable in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 65. Light and variable wind becoming west southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 51. Light and variable wind.
Sunday
Rain, mainly after 10am. High near 64. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 50. Chance of precipitation is 90%.
Monday
A chance of rain before 10am. Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
Rain. Cloudy, with a high near 59.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
1:16 am PST Nov 13, 2026
1am PST Nov 13, 2026-6pm PST Nov 19, 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