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

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 64%
Wind Speed SSE 9 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 Oct 09:54 AM PDT
Extended Forecast for

Union City CA

Coastal Flood Advisory October 11, 10:06am until October 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 11, 10:06am until October 13, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • Today

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light and variable wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 68. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. Light and variable wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Columbus Day
Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. West northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122.02°W (Elev. 184 ft)
Last Update:
8:36 am PDT Oct 11, 2026
Forecast Valid:
10am PDT Oct 11, 2026-6pm PDT Oct 17, 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