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

Hazardous Weather Conditions

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mist

57°F

14°C

Humidity 93%
Wind Speed WNW 12 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 09 Oct 02:00 AM PDT
Extended Forecast for

Belmont CA

Coastal Flood Advisory October 9, 09:00am until October 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. West wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Breezy, with a west wind 18 to 26 mph, with gusts as high as 41 mph.

    Low: 52 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Mostly clear, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

  • Columbus Day

    Columbus Day: A slight chance of rain. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 77. Light south southwest wind becoming west southwest 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 65. West wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 52. Breezy, with a west wind 18 to 26 mph, with gusts as high as 41 mph.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A 20 percent chance of rain after 11pm. Mostly clear, with a low around 51.
Columbus Day
A slight chance of rain. Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
Last Update:
2:21 am PDT Oct 9, 2026
Forecast Valid:
2am PDT Oct 9, 2026-6pm PDT Oct 15, 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