Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

haze

50°F

10°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Last update 07 Dec 11:47 AM PST
Extended Forecast for

Atherton CA

Coastal Flood Advisory December 7, 12:21pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 12:21pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind 3 to 5 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Light west northwest wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. Northwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 44. West wind 3 to 5 mph.
Monday
Sunny, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 46. Light west northwest wind.
Tuesday
Mostly sunny, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.45°N 122.18°W (Elev. 95 ft)
2:33 am PST Dec 7, 2025
12pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database