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Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

46°F

8°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Feb 09:55 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am. Partly cloudy, with a low around 46. South southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 65. South wind around 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 62.

    High: 62 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 54. Light and variable wind.
Tonight
Partly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. South wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 46. South southeast wind around 11 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 65. South wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Rain likely, mainly after 4am. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 62.
Tuesday Night
Rain likely. Cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.4°N 122.03°W (Elev. 46 ft)
Last Update:
12:32 am PST Feb 20, 2026
Forecast Valid:
10am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation