Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Fire Weather Threats Continue in Southern California

A storm system passing over the west coast ridge and into the Great Basin the next couple of days will improve air quality across the Pacific Northwest, and bring a wintry mix to the northern Great Basin and northern Rockies. Gusty winds will increase fire weather threats across portions of northern California, and continue to exacerbate ongoing fires across Southern California. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.354722°NLon: 122.141667°WElev: 539ft.

NA

45°F

7°C

Humidity 58%
Wind Speed WSW 2 G 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 15 Dec 2:10 am PST
Extended Forecast for

3 Miles WSW Cupertino CA

Wind Advisory December 15, 10:00pm until December 17, 10:00am
Red Flag Warning December 15, 10:00pm until December 17, 10:00am
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  • Overnight

    Overnight: Clear, with a steady temperature around 52. Calm wind.

    Clear

    Low: 52 °F

  • Friday

    Friday: Sunny, with a high near 66. Calm wind becoming north northeast around 5 mph.

    Sunny

    High: 66 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 48. Northwest wind 9 to 17 mph, with gusts as high as 23 mph.

    Partly Cloudy

    Low: 48 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 60. Breezy, with a north northwest wind around 23 mph, with gusts as high as 30 mph.

    Mostly Sunny
    and Breezy

    High: 60 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 48. North northwest wind 16 to 18 mph, with gusts as high as 23 mph.

    Mostly Clear

    Low: 48 °F

  • Sunday

    Sunday: Sunny, with a high near 61.

    Sunny

    High: 61 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 46.

    Mostly Clear

    Low: 46 °F

  • Monday

    Monday: Sunny, with a high near 62.

    Sunny

    High: 62 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 46.

    Partly Cloudy

    Low: 46 °F

Detailed Forecast

Overnight
Clear, with a steady temperature around 52. Calm wind.
Friday
Sunny, with a high near 66. Calm wind becoming north northeast around 5 mph.
Friday Night
Partly cloudy, with a low around 48. Northwest wind 9 to 17 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 60. Breezy, with a north northwest wind around 23 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 48. North northwest wind 16 to 18 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 59.
Click Map For Forecast
Point Forecast:
3 Miles WSW Cupertino CA
 37.3°N 122.09°W (Elev. 797 ft)
2:03 am PST Dec 15, 2017
3am PST Dec 15, 2017-6pm PST Dec 21, 2017
 
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