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

Hayward, Hayward Air Terminal (KHWD)

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

Clear

64°F

18°C

Humidity 67%
Wind Speed ENE 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Mar 02:54 AM PDT
Extended Forecast for

2 Miles ENE Union City CA

Heat Advisory March 18, 03:11am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 03:11am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 63. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 66. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 61. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 63. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Union City CA
 37.61°N 122°W (Elev. 594 ft)
1:59 am PDT Mar 18, 2026
3am 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