A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

58°F

14°C

Humidity	38%
Wind Speed	SE 5 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	09 Feb 11:56 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Mateo CA

Overnight
Low: 47 °F
Mostly Cloudy
Tuesday
High: 61 °F
Chance Rain
then Showers
Tuesday Night
Low: 48 °F
Showers and
Patchy Fog
Wednesday
High: 58 °F
Showers and
Areas Fog
Wednesday Night
Low: 48 °F
Rain Likely
then Chance
Rain and
Patchy Fog
Thursday
High: 60 °F
Slight Chance
Rain and
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 62 °F
Patchy Fog
then Sunny
Friday Night
Low: 47 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 47. Calm wind.

Tuesday

A chance of rain, then showers and possibly a thunderstorm after 1pm. High near 61. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Patchy fog after 1am. Low around 48. East southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain and possibly a thunderstorm before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Areas of fog before 10am. High near 58. South wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Rain likely, mainly before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48. South southeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

A 20 percent chance of rain before 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60.

Thursday Night

Mostly clear, with a low around 47.

Friday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62.

Friday Night

Mostly cloudy, with a low around 47.

Saturday

A chance of rain, mainly after 10am. Mostly cloudy, with a high near 60.

Saturday Night

Rain likely. Mostly cloudy, with a low around 46.