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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Mostly Cloudy

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Nov 06:10 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: A 40 percent chance of rain, mainly after 10am. Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after 10am. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly between 10pm and 4am. Cloudy, with a low around 54. South southwest wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 63. South wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 10pm, then rain likely after 10pm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: Rain likely, mainly before 10am. Partly sunny, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 10am. Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 10 percent chance of rain after 4am. Increasing clouds, with a low around 51. Calm wind.
Saturday
A 40 percent chance of rain, mainly after 10am. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly between 10pm and 4am. Cloudy, with a low around 54. South southwest wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 63. South wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 10pm, then rain likely after 10pm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely, mainly before 10am. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
Last Update:
2:03 am PST Nov 14, 2025
Forecast Valid:
6am PST Nov 14, 2025-6pm PST Nov 20, 2025
 
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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