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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Overcast

55°F

13°C

Humidity 71%
Wind Speed SSE 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 04 Nov 04:55 AM PST
Extended Forecast for

Sunnyvale CA

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Increasing clouds, with a low around 57. South southeast wind 14 to 17 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 4pm. High near 66. South wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 53. South wind around 6 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
A 20 percent chance of showers after 10pm. Increasing clouds, with a low around 57. South southeast wind 14 to 17 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, mainly before 4pm. High near 66. South wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of showers before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 53. South wind around 6 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A slight chance of showers. Partly sunny, with a high near 74.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 56.
Monday
A slight chance of showers. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.36°N 122.02°W (Elev. 128 ft)
Last Update:
2:10 am PST Nov 4, 2025
Forecast Valid:
5am PST Nov 4, 2025-6pm PST Nov 10, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation