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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Rain

57°F

14°C

Humidity 82%
Wind Speed W 6 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 13 Nov 07:50 PM PST
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. South southeast wind 3 to 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain after 10am. High near 65. South southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 50. Northwest wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain then
    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Rain likely after 10pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 66. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 52. South southeast wind 3 to 6 mph.
Sunday
Rain after 10am. High near 65. South southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 50. Northwest wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Rain likely after 10pm. Mostly cloudy, with a low around 49.
Wednesday
Rain. Cloudy, with a high near 61.
Wednesday Night
Rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Thursday Night
A slight chance of rain. Mostly clear, with a low around 45.
Friday
Sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
2:31 pm PST Nov 13, 2026
Forecast Valid:
8pm PST Nov 13, 2026-6pm PST Nov 20, 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