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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Rain

61°F

16°C

Humidity 82%
Wind Speed S 6 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 13 Nov 03:20 PM PST
Extended Forecast for

San Mateo CA

  • This Afternoon

    This Afternoon: Rain. High near 69. South southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 67. Southeast wind around 6 mph becoming west northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 67. Light and variable wind becoming northwest around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 4pm. Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 69. South southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 67. Southeast wind around 6 mph becoming west northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 51. Light and variable wind.
Saturday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 67. Light and variable wind becoming northwest around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 52.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 63.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 65.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
2:48 pm PST Nov 13, 2025
Forecast Valid:
3pm PST Nov 13, 2025-6pm PST Nov 20, 2025
 
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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