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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

67°F

19°C

Humidity 65%
Wind Speed NW 17 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 08 Apr 05:54 PM PDT
Extended Forecast for

San Leandro CA

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West wind 5 to 8 mph becoming calm after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers between 1pm and 3pm. Patchy dense fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Patchy Dense
    Fog then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 56. West wind 5 to 9 mph becoming light south southwest after midnight. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 54. South southwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 11am. Partly sunny, with a high near 62.

    High: 62 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. West wind 5 to 8 mph becoming calm after midnight.
Thursday
A slight chance of showers between 1pm and 3pm. Patchy dense fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 56. West wind 5 to 9 mph becoming light south southwest after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 54. South southwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Sunday
Rain likely, mainly after 11am. Partly sunny, with a high near 62.
Sunday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Leandro CA
 37.7°N 122.16°W (Elev. 43 ft)
Last Update:
4:51 pm PDT Apr 8, 2026
Forecast Valid:
6pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation