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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

54°F

12°C

Humidity 87%
Wind Speed NNW 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 09 Mar 02:20 AM PDT
Extended Forecast for

3 Miles SE Union City CA

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 71. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °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 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Calm wind.
Monday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 71. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
Last Update:
2:10 am PDT Mar 9, 2026
Forecast Valid:
2am PDT Mar 9, 2026-6pm PDT Mar 15, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation