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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Overcast

59°F

15°C

Humidity 82%
Wind Speed S 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Sep 02:20 AM PDT
Extended Forecast for

Millbrae CASimilar City Names

  • Overnight

    Overnight: A slight chance of drizzle. Mostly cloudy, with a low around 56. Southwest wind around 7 mph.

    Low: 56 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: A slight chance of drizzle before 11am. Mostly sunny, with a high near 69. West southwest wind 6 to 11 mph.

    High: 69 °F

    Slight Chance
    Drizzle then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 54. West wind 5 to 10 mph becoming light west southwest after midnight.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light west southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 56. Southwest wind around 7 mph.
Tuesday
A slight chance of drizzle before 11am. Mostly sunny, with a high near 69. West southwest wind 6 to 11 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 54. West wind 5 to 10 mph becoming light west southwest after midnight.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light west southwest after midnight.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millbrae CASimilar City Names
 37.59°N 122.39°W (Elev. 167 ft)
Last Update:
1:26 am PDT Sep 22, 2026
Forecast Valid:
2am PDT Sep 22, 2026-6pm PDT Sep 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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