Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

83°F

28°C

Humidity 45%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index83°F (28°C)
Last update 02 Aug 11:10 AM PDT
Extended Forecast for

Portola Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Light and variable wind becoming north around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind around 6 mph becoming calm  after midnight.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Light south southwest wind.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Light and variable wind becoming north around 5 mph.
Tonight
Clear, with a low around 55. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 92. Light and variable wind.
Monday Night
Clear, with a low around 56. Light south southwest wind.
Tuesday
Sunny, with a high near 90. Light and variable wind.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.39°N 122.23°W (Elev. 397 ft)
11:27 am PDT Aug 2, 2026
12pm PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database