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

Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Partly Cloudy

57°F

14°C

Humidity 87%
Wind Speed W 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 17 Jul 01:35 AM PDT
Extended Forecast for

Union City CA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. West southwest wind around 7 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 69. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. West wind 5 to 9 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light west wind increasing to 5 to 9 mph in the morning.

    High: 71 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. West southwest wind 5 to 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. West southwest wind around 7 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 69. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Increasing clouds, with a low around 53. West wind 5 to 9 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light west wind increasing to 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 54. West southwest wind 5 to 9 mph.
Sunday
Mostly cloudy, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly cloudy, with a high near 72.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.61°N 122°W (Elev. 594 ft)
Last Update:
1:26 am PDT Jul 17, 2026
Forecast Valid:
1am PDT Jul 17, 2026-6pm PDT Jul 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation