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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

59°F

15°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Jul 12:00 AM PDT
Extended Forecast for

2 Miles WSW Union City CA

Coastal Flood Advisory July 12, 12:19am until July 16, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory July 12, 12:19am until July 16, 04:00am

    NOW until 4:00am Thu

    Coastal Flood Advisory

  • Overnight

    Low: 60 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 60. Light northwest wind.
Sunday
Mostly cloudy, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Union City CA
 37.58°N 122.04°W (Elev. 121 ft)
Last Update:
11:27 pm PDT Jul 11, 2026
Forecast Valid:
12am PDT Jul 12, 2026-6pm PDT Jul 18, 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