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

Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Hazardous Weather Conditions

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

63°F

17°C

Humidity 82%
Wind Speed N 12 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Jun 08:47 PM PDT
Extended Forecast for

Atherton CA

Coastal Flood Advisory June 16, 05:35am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 16, 05:35am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Today

    High: 81 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58.
Juneteenth
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atherton CA
 37.47°N 122.19°W (Elev. 66 ft)
Last Update:
4:27 am PDT Jun 16, 2026
Forecast Valid:
5am PDT Jun 16, 2026-6pm PDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation