Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Clear

54°F

12°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Mar 06:35 AM PDT
Extended Forecast for

5 Miles E Union City CA

Heat Advisory March 18, 06:51am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 06:51am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. North northwest wind 3 to 7 mph.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. North wind 3 to 7 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. North wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming north northwest 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 8 mph in the morning.
Tonight
Clear, with a low around 63. North northwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 90. North wind 3 to 7 mph.
Thursday Night
Clear, with a low around 64. North wind 5 to 8 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 89. Light and variable wind becoming north northwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 61.
Saturday
Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
1:59 am PDT Mar 18, 2026
6am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
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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