Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until December 7, 03:00 PM PST

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

56°F

13°C

Humidity	66%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	05 Dec 10:10 AM PST

More Information:

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

Extended Forecast for

3 Miles NNW Portola Valley CA

Coastal Flood Advisory December 5, 11:11am until December 7, 03:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory December 5, 11:11am until December 7, 03:00pm
NOW until 3:00pm Sun
Coastal Flood Advisory
Today
High: 63 °F
Sunny
Tonight
Low: 45 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 64 °F
Patchy Fog
then Sunny
Saturday Night
Low: 45 °F
Mostly Clear
Sunday
High: 66 °F
Mostly Sunny
Sunday Night
Low: 46 °F
Partly Cloudy
Monday
High: 66 °F
Patchy Fog
then Sunny
Monday Night
Low: 46 °F
Mostly Clear

Detailed Forecast

Today

Sunny, with a high near 63. North wind around 6 mph.

Tonight

Patchy fog after 5am. Otherwise, increasing clouds, with a low around 45. Calm wind becoming west around 6 mph.

Saturday

Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming north 5 to 8 mph in the morning.

Saturday Night

Mostly clear, with a low around 45. West northwest wind 5 to 9 mph becoming light west after midnight.

Sunday

Mostly sunny, with a high near 66. North wind 3 to 7 mph.

Sunday Night

Partly cloudy, with a low around 46.

Monday

Patchy fog before 7am. Otherwise, mostly sunny, with a high near 66.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Mostly sunny, with a high near 67.