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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

NA

61°F

16°C

Humidity 74%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 19 Mar 02:10 AM PDT
Extended Forecast for

2 Miles S Cupertino CA

Heat Advisory March 19, 02:48am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 02:48am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
Last Update:
2:33 am PDT Mar 19, 2026
Forecast Valid:
2am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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