Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

63°F

17°C

Humidity 68%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 01 Mar 04:10 PM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Southwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 7 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Northwest wind 5 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Northwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 59. Light and variable wind becoming west northwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 60. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 48. Northwest wind around 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 68.
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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 pm PST Mar 1, 2026
4pm PST Mar 1, 2026-6pm PDT Mar 8, 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