Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

51°F

11°C

Humidity 91%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 03 Mar 01:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Northwest wind 3 to 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 5 to 7 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. West northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 8 to 13 mph, with gusts as high as 30 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. North northwest wind 11 to 15 mph, with gusts as high as 37 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Northwest wind 3 to 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 5 to 7 mph.
Tuesday Night
Increasing clouds, with a low around 46. West northwest wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 8 to 13 mph, with gusts as high as 30 mph.
Wednesday Night
Clear, with a low around 44. North northwest wind 11 to 15 mph, with gusts as high as 37 mph.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Clear, with a low around 49.
Saturday
Sunny, with a high near 67.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
12:26 am PST Mar 3, 2026
1am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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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