Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

78°F

26°C

Humidity 30%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 09 Sep 10:10 PM PDT
Extended Forecast for

Los Altos CA

Heat Advisory September 9, 10:37pm until September 10, 10:00pm
Coastal Flood Advisory September 9, 10:37pm until September 10, 01:00am
Click here for hazard details and duration
Heat Advisory
Coastal Flood Advisory
  •  
    Heat Advisory September 9, 10:37pm until September 10, 10:00pm
    Coastal Flood Advisory September 9, 10:37pm until September 10, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Light northwest wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind 3 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Calm wind.
Thursday
Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Light northwest wind.
Friday
Sunny, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. West wind 3 to 7 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Los Altos CA
 37.35°N 122.1°W (Elev. 335 ft)
9:07 pm PDT Sep 9, 2026
10pm PDT Sep 9, 2026-6pm PDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

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