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

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 >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

61°F

16°C

Humidity 83%
Wind Speed WNW 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 08:54 AM PDT
Extended Forecast for

2 Miles ENE San Leandro CA

Coastal Flood Advisory June 16, 09:02am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 16, 09:02am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Today

    High: 77 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 58. West southwest wind 5 to 10 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Light west southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light west wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 58. West southwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 75. Light west southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58.
Juneteenth
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE San Leandro CA
 37.73°N 122.14°W (Elev. 184 ft)
Last Update:
4:27 am PDT Jun 16, 2026
Forecast Valid:
9am PDT Jun 16, 2026-6pm PDT Jun 22, 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