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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

41°F

5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Last update 05 Dec 06:15 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Sunny, with a high near 63. North northwest wind around 7 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 44. West northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Northwest wind 3 to 8 mph.

    High: 63 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. West northwest wind 6 to 8 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65. North northwest wind around 7 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. North northwest wind around 7 mph.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 44. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 45. West northwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 65. North northwest wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Patchy fog. Otherwise, sunny, with a high near 68.
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 122.05°W (Elev. 118 ft)
Last Update:
1:40 am PST Dec 5, 2025
Forecast Valid:
6am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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