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

66°F

19°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Mar 09:10 AM PDT
Extended Forecast for

San Lorenzo CA

Heat Advisory March 18, 09:34am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 09:34am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Thursday

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

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 59. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 60. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 78.
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 52.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.66°N 122.12°W (Elev. 66 ft)
1:59 am PDT Mar 18, 2026
9am 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