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

Hayward, Hayward Air Terminal (KHWD)

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

Clear

61°F

16°C

Humidity 77%
Wind Speed SSW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Oct 09:05 AM PDT
Extended Forecast for

3 Miles SE Union City CA

  • Today

    Today: Sunny, with a high near 74. Light west northwest wind increasing to 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 65. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 74. Light west northwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 53. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 65. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 50. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Thursday
A chance of rain, mainly after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 49.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
Last Update:
2:41 am PDT Oct 18, 2026
Forecast Valid:
9am PDT Oct 18, 2026-6pm PDT Oct 24, 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