Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

60°F

16°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 03 Sep 06:54 AM PDT
Extended Forecast for

San Lorenzo CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light northwest wind becoming west northwest 6 to 11 mph in the morning.

    High: 78 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West northwest wind 3 to 8 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Light west wind increasing to 6 to 11 mph in the morning.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62. West wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 70. West southwest wind 6 to 11 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light northwest wind becoming west northwest 6 to 11 mph in the morning.
Tonight
Increasing clouds, with a low around 60. West northwest wind 3 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light west wind increasing to 6 to 11 mph in the morning.
Thursday Night
Increasing clouds, with a low around 62. West wind 7 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 70. West southwest wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.68°N 122.13°W (Elev. 112 ft)
1:26 am PDT Sep 3, 2025
7am PDT Sep 3, 2025-6pm PDT Sep 9, 2025
 
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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