Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

61°F

16°C

Humidity 82%
Wind Speed WNW 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 04:00 AM PDT
Extended Forecast for

Hayward CA

Coastal Flood Advisory June 17, 04:18am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 17, 04:18am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Today

    High: 74 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West northwest wind 8 to 13 mph becoming light northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 72. Light west northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 72 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 57. Southwest wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light west northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. West northwest wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 72. Light west northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Increasing clouds, with a low around 57. Southwest wind 6 to 15 mph, with gusts as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 71. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 72.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hayward CA
 37.62°N 122.11°W (Elev. 30 ft)
1:26 am PDT Jun 17, 2026
4am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database