Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

61°F

16°C

Humidity 82%
Wind Speed W 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 06:35 AM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 70. West wind 5 to 10 mph.

    High: 70 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West southwest wind 3 to 8 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 74. Light west southwest wind becoming west 5 to 9 mph in the afternoon.

    High: 74 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 58. West wind 5 to 9 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 71. West wind 5 to 9 mph.

    High: 71 °F

    Partly 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 73.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 70. West wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 58. West southwest wind 3 to 8 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 74. Light west southwest wind becoming west 5 to 9 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 58. West wind 5 to 9 mph.
Monday
Partly sunny, with a high near 71. West wind 5 to 9 mph.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.1°W (Elev. 174 ft)
1:26 am PDT Aug 15, 2026
6am PDT Aug 15, 2026-6pm PDT Aug 21, 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