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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

light rain,mist

63°F

17°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 61°F (16°C)
Visibility 2.00 mi
Last update 13 Nov 11:10 AM PST
Extended Forecast for

Cupertino CA

Wind Advisory November 13, 11:42am until November 13, 04:00pm
Flood Advisory November 13, 11:42am until November 13, 01:00pm
Click here for hazard details and duration
Wind Advisory
Flood Advisory
  •  
    Wind Advisory November 13, 11:42am until November 13, 04:00pm
    Flood Advisory November 13, 11:42am until November 13, 01:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 67 °F⇓

    Showers and
    Breezy

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain before 4pm. Mostly sunny, with a high near 66. Light and variable wind becoming northeast around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm. Increasing clouds, with a low around 50. Light north northeast wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Today
Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. Temperature falling to around 61 by 5pm. Breezy, with a south wind 17 to 22 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain before 4pm. Mostly sunny, with a high near 66. Light and variable wind becoming northeast around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain after 10pm. Increasing clouds, with a low around 50. Light north northeast wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 62.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.03°W (Elev. 262 ft)
Last Update:
2:09 am PST Nov 13, 2025
Forecast Valid:
11am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation