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Active Weather Continues in the West; Potent Cold Front to Move Through the East this Weekend

A complex weather system will continue to bring active conditions over the Western U.S. through early Saturday, including more heavy snowfall through the Rockies. Farther east, a potent cold front will advance through the Ohio Valley Saturday, bringing rain and a few strong thunderstorms. As the front clears the east coast on Sunday, colder and gusty conditions will return. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.354722°NLon: 122.141667°WElev: 539ft.

NA

55°F

13°C

Humidity 82%
Wind Speed S 2 G 5 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 17 Nov 9:10 am PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Sunny, with a high near 63. Northwest wind 7 to 9 mph.

    Sunny

    High: 63 °F

  • Tonight

    Tonight: Mostly clear, with a low around 40. West northwest wind 7 to 9 mph.

    Mostly Clear

    Low: 40 °F

  • Saturday

    Saturday: Sunny, with a high near 64. North northwest wind 5 to 8 mph.

    Sunny

    High: 64 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 40. North northwest wind 6 to 8 mph becoming west in the evening.

    Mostly Clear

    Low: 40 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Light and variable wind becoming north northwest 5 to 8 mph in the morning.

    Mostly Sunny

    High: 65 °F

  • Sunday
    Night

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

    Mostly Cloudy

    Low: 46 °F

  • Monday

    Monday: A 30 percent chance of rain.  Mostly cloudy, with a high near 67.

    Chance Rain

    High: 67 °F

  • Monday
    Night

    Monday Night: A chance of rain.  Mostly cloudy, with a low around 49.

    Chance Rain

    Low: 49 °F

  • Tuesday

    Tuesday: A slight chance of rain.  Mostly cloudy, with a high near 70.

    Slight Chance
    Rain

    High: 70 °F

Detailed Forecast

Today
Sunny, with a high near 63. Northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 40. West northwest wind 7 to 9 mph.
Saturday
Sunny, with a high near 64. North northwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 40. North northwest wind 6 to 8 mph becoming west in the evening.
Sunday
Mostly sunny, with a high near 65. Light and variable wind becoming north northwest 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 53.
Thanksgiving Day
Mostly sunny, with a high near 69.
Click Map For Forecast
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
7:28 am PST Nov 17, 2017
9am PST Nov 17, 2017-6pm PST Nov 23, 2017
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database