Tropical Storm Podul in the Western Pacific; Severe Weather in the Northern Plains; Heat in the West

Tropical Storm Podul (16W) will bring heavy rain and gusty winds to Agrihan, Pagan and Alamagan in the Northern Mariana Islands though Saturday. Severe thunderstorms may produce a few tornadoes, large hail, severe winds and heavy rain across the Northern Plains through the night and the threat will shift to the Upper Midwest Friday. Hot temperatures and fire weather conditions continue in the West Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

60°F

16°C

Humidity 91%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 08 Aug 12:10 AM PDT
Extended Forecast for

Portola Valley CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming north around 5 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. Southwest wind 6 to 11 mph becoming light west southwest  after midnight.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 88. Calm wind becoming north around 5 mph.
Friday Night
Clear, with a low around 57. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 55. Southwest wind 6 to 11 mph becoming light west southwest after midnight.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.39°N 122.23°W (Elev. 397 ft)
7:27 pm PDT Aug 7, 2025
12am PDT Aug 8, 2025-6pm PDT Aug 14, 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