Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

58°F

14°C

Humidity 83%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 15 Aug 07:10 AM PDT
Extended Forecast for

2 Miles SSE Portola Valley CA

  • Today

    Today: Mostly sunny, with a high near 71. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 71. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
8:57 am PDT Aug 15, 2026
9am PDT Aug 15, 2026-6pm PDT Aug 21, 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