Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Overcast

59°F

15°C

Humidity 87%
Wind Speed NW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Aug 06:47 AM PDT
Extended Forecast for

3 Miles WSW Atherton CASimilar City Names

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning.

    High: 76 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 79 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 55. West northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog between 8am and 10am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west northwest 5 to 9 mph in the morning.
Saturday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 55. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 55.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 78.
Tuesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Atherton CASimilar City Names
 37.43°N 122.26°W (Elev. 400 ft)
2:16 am PDT Aug 21, 2026
7am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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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