National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk into the Weekend on the East Coast; Flash Flooding Possible in the Southeast

A dangerous, record heat wave continues for the Desert Southwest and the Central Valley of California through Saturday, and the Pacific Northwest through Tuesday. Coastal flooding is expected through tonight at high tide along the Eastern Seaboard from Erin, while the high rip current risk and dangerous surf continue through the weekend. Flash flooding possible today in Georgia and South Carolina. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

56°F

13°C

Humidity 95%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 22 Aug 05:10 AM PDT
Extended Forecast for

2 Miles NW Cupertino CA

  • Today

    Today: Sunny, then becoming partly sunny during the afternoon, with a high near 89. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Calm wind becoming north 5 to 8 mph in the morning.

    High: 86 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 60. North wind 3 to 7 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Light north wind increasing to 5 to 9 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, then becoming partly sunny during the afternoon, with a high near 89. Calm wind becoming north 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
Increasing clouds, with a low around 60. North wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 85. Light north wind increasing to 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Cupertino CA
 37.33°N 122.07°W (Elev. 305 ft)
Last Update:
2:50 am PDT Aug 22, 2025
Forecast Valid:
5am PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation