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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Jan 01:35 AM PST
Extended Forecast for

Sunnyvale CA

Cold Weather Advisory until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 10, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 36 °F

    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Light north wind.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Light east wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Overnight
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Light north wind.
Saturday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Light east wind.
Sunday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 62. Light and variable wind.
Sunday Night
Mostly clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 62.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.02°W (Elev. 92 ft)
Last Update:
12:26 am PST Jan 10, 2026
Forecast Valid:
1am PST Jan 10, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation