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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Clear

68°F

20°C

Humidity 64%
Wind Speed ENE 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Nov 11:47 AM PST
Extended Forecast for

San Carlos CA

Coastal Flood Advisory until November 8, 02:00pm
Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory
  •  
    Coastal Flood Advisory until November 8, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Advisory

  • This Afternoon

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers after 10pm. Increasing clouds, with a low around 58. South southeast wind 17 to 21 mph, with gusts as high as 33 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 68. South wind around 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers after 10pm. Increasing clouds, with a low around 58. South southeast wind 17 to 21 mph, with gusts as high as 33 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 68. South wind around 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A slight chance of showers. Partly sunny, with a high near 75.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56.
Monday
A slight chance of showers. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.25°W (Elev. 82 ft)
Last Update:
2:10 am PST Nov 4, 2025
Forecast Valid:
12pm PST Nov 4, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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