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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

66°F

19°C

Humidity 72%
Wind Speed WNW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 28 Aug 04:05 PM PDT
Extended Forecast for

San Lorenzo CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Sunny, with a high near 72. West wind around 9 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind around 7 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. South southwest wind 6 to 11 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. South southwest wind 7 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Southwest wind 7 to 9 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Sunny, with a high near 72. West wind around 9 mph.
Tonight
Increasing clouds, with a low around 58. Southwest wind around 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. South southwest wind 6 to 11 mph.
Saturday Night
Increasing clouds, with a low around 57. South southwest wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 72. Southwest wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.68°N 122.13°W (Elev. 112 ft)
Last Update:
1:26 pm PDT Aug 28, 2026
Forecast Valid:
4pm PDT Aug 28, 2026-6pm PDT Sep 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation