Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

72°F

22°C

Humidity 56%
Wind Speed SW 14 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Sep 04:20 PM PDT
Extended Forecast for

Millbrae CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain.  Mostly sunny, with a high near 72. South southwest wind around 14 mph, with gusts as high as 21 mph.

    High: 72 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain.  Mostly cloudy, with a low around 60. South southwest wind 7 to 13 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am.  Mostly sunny, with a high near 72. Southwest wind 6 to 11 mph.

    High: 72 °F

    Slight Chance
    Rain then
    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm.  Increasing clouds, with a low around 60. South wind 8 to 10 mph.

    Low: 60 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 72. South wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly sunny, with a high near 72. South southwest wind around 14 mph, with gusts as high as 21 mph.
Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 60. South southwest wind 7 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 72. Southwest wind 6 to 11 mph.
Tuesday Night
A 30 percent chance of rain after 11pm. Increasing clouds, with a low around 60. South wind 8 to 10 mph.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 72. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Millbrae CA
 37.59°N 122.39°W (Elev. 167 ft)
1:26 pm PDT Sep 29, 2025
4pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database