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

Heavy Rainfall in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

60°F

16°C

Humidity 69%
Wind Speed E 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 08 Apr 09:56 AM PDT
Extended Forecast for

Hillsborough CA

  • Today

    Today: Sunny, with a high near 73. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 71. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 71 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 54. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 8 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 before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 73. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 71. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 54. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 8 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 before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
Last Update:
6:31 am PDT Apr 8, 2026
Forecast Valid:
10am PDT Apr 8, 2026-6pm PDT Apr 14, 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