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

Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

75°F

24°C

Humidity 43%
Wind Speed WSW 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 29 Mar 06:54 PM PDT
Extended Forecast for

Union City CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 11am. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. West northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 70.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 64.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union City CA
 37.59°N 122.02°W (Elev. 164 ft)
Last Update:
2:41 pm PDT Mar 29, 2026
Forecast Valid:
7pm PDT Mar 29, 2026-6pm PDT Apr 5, 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